4-3 meters) in length and weigh up to 500 pounds (227 kg) at maturity. ”. Sharks are classified as follows: Kingdom Animalia. Let us figure out who the predators of lemon sharks are. Characteristics. Its main threat is overfishing from the commercial shark fishing industry. Lemon sharks are sexually. On the east coast of the United States, they can be found from the Chesapeake Bay south through the Gulf of Mexico and further. Jacques Cousteau dubbed it “the most dangerous of all sharks. 5 m) and 2000 pounds (nearly a metric tonne), the. p23 They can sense electricity in the water. New fossils from the MOTH fauna in northern Canada included taxa with acanthodian characteristics such as these fin spines but with scales that were more. Narrowness and a long crown are the most salient features of sand. Shark species are nondescript in colour, varying from gray to cream, brown, yellow, slate, or blue and often patterned with spots, bands, marblings, or protuberances. Shark Characteristics. Lemon sharks are one of the most easily identifiable shark species because of their unique physical characteristics. It is listed as vulnerable by the IUCN. Recent research has confirmed just how observant sharks truly are. Donation InquiriesLeafly is the leading destination to learn about, find, and order cannabis. Determine which characteristics belong to fish, which belong to whales, and which belong to both. It contains 35 extant and eight extinct species to date, with likely more species yet to be described. V2. where ρ is the density of the material in which the sound wave travels, in units of kg/m 3, and v is the speed of sound in the medium, in units of m/s. Nonetheless, the white, tiger and bull sharks are the “Big Three” in the shark attack world because they are large species that are capable of inflicting serious injuries to a victim, are commonly found in areas where humans enter the water, and have teeth designed to shear rather than hold. Blacktip Shark pups grow quickly and can reach 6 feet. Whale shark skin is grey along the back, and. During its mating season, the lemon shark has a very long distance to travel. However, some individuals have been known to grow larger than this, with the largest lemon shark ever recorded measuring over 11 feet (3. The Japanese spider crab is second only to the American lobster when it comes to sheer mass. . SubPhylum Vertebrata. Lemon sharks can reach an average size of 8-10 feet (2. Discuss the answers. For example, this allows sharks to find prey hidden in the sand. Bats can eat up to 1,200 mosquitoes an hour. Pangasius Fish profile. These sharks are a migratory species and will inhabit deeper water while migrating. . List of the Different Types of Sharks in the Bahamas. Sand tiger sharks are brownish-gray with rust-colored spots on top and white underneath. 2. These powerful sharks come from the Carcharhinidae family. 4-3 meters) in length and weigh up to 500 pounds (227 kg) at maturity. Blue sharks are really blue. The Whale Shark diet is very unique considering the creature’s sheer size and presence in the ocean. Their night vision is better than a cat’s or a wolf’s. In life, most sharks are brown, olive, or grayish. This tiny shark is found in deep waters off the coasts of Colombia and Venezuela. Lemon Shark Conservation Status Near Threatened Lemon Shark Locations Ocean Lemon. Spinner Shark. The longest great hammerhead shark measured at 20ft, and the heaviest weighed a whopping 1280 pounds! Great hammerhead sharks prefer shallow waters and are usually found up to 262 feet deep. Averaging around 3. Deer Emu vs. Calcite in the form of oolitic limestone from Bedford, Indiana. Bull Sharks 'Out-Bite' Great Whites. Lemon Shark. 95. The species is typically solitary, though they may gather in large numbers at food concentrations. Lemon shark meat has been marketed fresh, salted or frozen and their fins, in particular, are prized among Asian cultures for use in shark-fin soup. Hammerhead Shark Lemon Shark Leopard Shark Megalodon. [3]The oceanic whitetip shark ( Carcharhinus longimanus) is a large pelagic requiem shark inhabiting tropical and warm temperate seas. These sharks are the lab mice of the sea. Lemon sharks have a. Mr Speed said the lemon shark used inshore, sandy mangrove and reef habitats while young because they were vulnerable to attacks from larger fish or other shark species. Eugenie Clark, pioneered training sharks. These medium-sized sharks have a flattened body, short broad snout, and 2 large dorsal fins of the same size. Decide whether the statement in the first box (1a) or the the second box (1b) best describes the characteristics of the shark you a Lemon shark, N. Its large mouth is well adapted to filter feeding and contains more than 300 rows of small, pointed teeth in each. The Elasmobranchii also include rays and skates; the Chondrichthyes also include Chimaeras. Little Skate Characteristics and Information. southern-most nursery area used by lemon sharks in the southwest Atlantic (Rosa & Moura 1997, Silva et al. Its belly is off-white. However, baby lemon sharks often fall prey to other sharks of the sea as well as killer whales. Found in. Some large shark species, such as the tiger shark, the dusky shark, the great white shark and the bull shark, prey on the bottlenose dolphin, especially calves. Atlantic, Gulf of Mexico, and Caribbean. )Tiger Shark Characteristics. The tiger shark gets its name from the characteristic vertical bars that cover the sides of its body. Here we present the first study of a shark nursery area in Cuban waters, for the lemon shark. However, in contrast to. Conservation Status: 32% are Threatened, with 6% as Endangered and 26% as Vulnerable on a global basis; 24% are Near Threatened. These big guys are sharks not many people know of, but they’re big— 12 feet long and up to 400 lbs. Zebras. The shortfin mako (Isurus oxyrinchus) lives in tropical and temperate seas, the longfin mako (I. You may be surprised to learn some of the largest. Fins: Compared to other hammerhead shark. 7kg. 4. Shark TLC! Hand-Feeding The Sevengill Sharks With Aquarist Ann! The Seasonal Changes In Lemon Shark Diet. What Is a Mermaid's Purse? Shark Species. Around 40 to 50 different shark species live permanently in or regularly visit the waters surrounding Britain. Similar to bigeye sand tiger; similar to lemon shark but has first dorsal fin far back on body closer to pelvic fins than pectoral fins; similar to nurse shark but has a distinct lower lobe of caudal finScoliodon has an elongated, spindle-shaped body tapered at the ends, making it a very fast swimmer. The white shark has a diverse and opportunistic diet of fish, invertebrates, and marine mammals. Sometimes Angel Sharks are referred to as Monkfish and ironically. The sharks eat mostly fish, but can also eat other shark species, marine mammals, birds, and turtles. Interesting Hammerhead Shark Facts. The dermal denticles of a lemon shark, viewed through a scanning electron microscope. [1] Here are 12 fun facts about catsharks that you may not know. sicklefin lemon. It has a flat head, two large dorsal fins of similar size, one convex pectoral fin and one pelvic fin with concave back edges. Illustration courtesy FAO, Species Identification and Biodata. Unlike bony fish, sharks have no bones – their skeleton is made of cartilage, which is a tough, fibrous substance, not nearly as hard as bone. Shark Personality Traits. Lemons contain very little fat and protein. Instead they live in rivers, and the brackish water of both estuaries and bays. The blacktip reef shark (Carcharhinus melanopterus) is a species of requiem shark, in the family Carcharhinidae, which can be easily identified by the prominent black tips on its fins (especially on the first dorsal fin and its caudal fin). 7. 8. Physical Description. The distinctive astringent flavour of the fruit, either fresh or preserved, is also used to enhance many poultry, fish, and. Sevengill – has seven gill slits; no similar species. Code is valid for 5 minutes or 3 attempts. They both live for quite a long time; sharks can live to be 50 and even 100 years old, while whales can live 60 to one-hundred years. DESCRIPTION It is a big and robust shark with a nozzle shorter than the width of its mouth. Dorsal surfaces brownish-gray with scattered white spots in adults, white below; dorsal and caudal fins black-edged in juveniles. mouth large with long upper labial furrows, each extending from the jaw corner forward to level of the eye. A lemon shark can grow to be a 25-pound (225 kg) fish and live for up to 30 years. Inhabits estuarine, nearshore and offshore waters of both the Gulf and Atlantic coasts of Florida. 1 feet (4 m) and weight of 500 pounds (230 kg). The heaviest lemon was 11 pounds, 9. . Most individuals only grow to about four or five feet long. Instead of having a skeleton made of bone, they have a skeleton made of cartilage, a tough, flexible tissue. 000 square feet. ” It has been swimming around our deep oceans for over 125 million years. They are more of a brownish-yellow. Lemon Sharks are quite the sight. Interesting Facts About the Lemon Shark Lemon Yellow – Unlike actual lemons, lemon sharks are not quite so brightly colored. Carcharhinids are found primarily in warm and temperate ocean waters, though a few species inhabit fresh or brackish water. The animal inches toward its prey. 6 tons. Useful training for this site Aware Shark Conservation Diver, PADI Open Water Diver, PADI Advanced Open. Hammerheads have small mouths in proportion to their heads. 8 meters in length and weigh between 60 and 135 kilograms although females can reach 150 kilos. Hammerheads are fish that are grey-green to olive in coloration, and they have bright white bellies. Like the Mako Shark, the Salmon Shark has a streamlined body that is taper and the head and the tail, reducing the drag as it cruises through the water. 1. Lemon sharks are probably the most understood sharks in the world, thanks to. Finger’s species of choice is the lemon shark, and with good reason. Shop and Compare. They are high in vitamin C. Goblin Shark. 5 m). But research shows there's a yellow-hued giant — the lemon shark ( Negaprion brevirostris) — who isn't a fan of aggression and seems to have quite the social life. Search or sort the list by scientific name, common name, or family below. Carcharhinus is the type genus of the family Carcharhinidae, the requiem sharks. Caribbean Reef Sharks. Not only is. Up until the 1600’s animals and. 5-2. 91 m) (maximum of 5 feet), with the females being usually larger. Realistically, almost any shark in the right size. First dorsal fin sloping, originating over or slightly before free tips of pectoral fins. But it’s easy to see where they get the nickname ‘mermaid purse’, because of the plump, wallet-like centre of the egg. Shark Taxonomy. They have two spines along their backs that contain mild venom, and they use these spines to protect themselves from predators. 5 kg test line) was used to cast a small piece of bait (Atlantic bonito, Sarda sarda) near the shark. Weight & Length. This astonishing anatomy masterfully designed by evolution is what sets sharks apart from other types of aquatic life including whales and dolphins. Distinguishing Characteristics: Third upper jaw tooth from a dusky shark. Phylum Chordata. Animals Lemon shark Lemon sharks are migratory sharks found mainly in tropical waters. The hammerhead sharks are a group of sharks that form the family Sphyrnidae, named for the unusual and distinctive form of their heads, which are flattened and laterally extended into a cephalofoil (a T-shape or "hammer"). Blacktip shark females are larger than males, with the average length being 5. It feeds on plankton, which includes copepods, krill, and fish eggs. Google Scholar Nelson GJ (1969) Gill. This pink-skinned animal has a distinctive profile with an elongated, flat snout, and highly protrusible jaws containing. Other traits that they share include filter-feeding frenzies; whales mostly eat krill, while Whale Sharks eat krill and other plankton as well as fish eggs and small fishes. The bottom teeth of a dusky shark are sharp and pointy similar to bull sharks, lemon sharks, and blacktip sharks. Bull. At most, it is 1. Typical Weight. Slug Turtle vs. These diagrams show important anatomical characteristics of sharks. in the Bahamas ©Brent Barnes/Shutterstock. Physical Characterization of essential habitat for sharks is a key requirement for effective conservation of shark populations. This, along with cartilage makeup of the fish, allows the shark to have easy movement in the ocean, along with the ability to save energy when it needs it most. The silky shark (Carcharhinus falciformis), also known by numerous names such as blackspot shark, gray whaler shark, olive shark, ridgeback shark, sickle shark, sickle-shaped shark and sickle silk shark, is a species of requiem shark, in the family Carcharhinidae, named for the smooth texture of its skin. Physical Characteristics & Color. 2. Some sharks have skin that is 6 inches thick. The tiger shark is found throughout the world's coastal temperate and tropical waters, with. The Carcharhinidae is one of the largest families of sharks, and some of the larger. The blue shark displays a brilliant blue color on the upper portion of its body and is normally snowy white beneath. It can help them navigate and find food, and it can also help them swim by boosting the hydrodynamic shape of their body. Fully-grown sharks range in size from 7 inches (18 cm) long (the Spined Pygmy shark ), up to 50 feet (15 m) long (the Whale shark ). Pyjama shark. Like other members of the Carcharhinidae family, lemon sharks are carcharhiniformes, which means they have a streamlined body, five to seven gill slits, and a long, pointed. to lemon shark but has first dorsal fin far back on body closer to pelvic fins than pectoral fins; similar to nurse shark but has a distinct lower lobe of caudal fin. Whale sharks are. Limpet The limpet is a marine invertebrate (a gastropod) with a flattened, cone-shaped shell. Sharks are " elasmobranchs ," meaning they are made of cartilaginous tissues. Shark behavior is a captivating subject that delves into the intricacies of the ocean’s apex predators. The vampire squid's. The habitat of the American crocodile consists largely. Scientists have only documented a couple of cases, but some suspect that perhaps any female shark can. Having earned their name after a group of fishermen reportedly observed the species chasing down smaller fish in dog-like. These majestic creatures, ranging from the powerful Great White to the elusive Hammerhead, exhibit a diverse array of behaviors shaped by their environments, biology, and ecological roles. These coastal sharks are most common in extremely shallow water, usually less than 13 ft. Leopard sharks are a small species native only to the Pacific coast of the United States and Mexico. but the two are easy to distinguish based on physical characteristics alone. This behavioral adaptation allows a male shark to overcome the female and position himself so that the male claspers make contact with the female cloaca to fertilize the eggs. Shark Series: The Lemon Shark. Lemon sharks are known for their gentle nature and friendly demeanor. Lemon sharks are known to have a diverse diet that changes with the seasons. Size and Weight. This provides excellent camouflage when it is swimming in shallow sandy inshore coastal waters. The Indonesian whaler shark (Carcharhinus tjutjot), is a species of requiem shark belonging to the family Carcharhinidae. It's integral to wildlife conservation, providing the bedrock for our understanding of sharks. First dorsal fin originates over or slightly before free tips of pectoral fins. Its job is to pump blood to the veins so the muscles and the brain can get oxygen. These sharks are migratory and give birth to live young. It can grow up to 20 feet in length and weigh up to 1,000 pounds, although smaller sizes are more common. Mating occurs from summer to fall. Sharks do not have bones. Heterodontiformes. Identification of the 8 extant shark orders. 6m long, but some great whites have been measured at 6m – that’s. 25 meters for males. lemon, (Citrus ×limon), small tree or spreading bush of the rue family and its edible fruit. Small white spots cover the upper body. Lemon Shark. Lemons contain about 50 milligrams of vitamin C, which is over half the amount of vitamin C needed in your daily diet. The Shark's World 1996 Lynn M. Facts about lemons are a fun fact about them. The shark gets its name from its slightly yellow coloration, which helps it camouflage into the sandy bottom of shallow coastlines. Flatfish – While their shape isn’t quite so drastically. Flatfish – While their shape isn’t quite so drastically flattened as say, a stingray, lemon sharks are not nearly as. These bellies allow them to disguise themselves against the brightness of the ocean surface while hunting prey. Hammerhead Shark Description. On the bottom jaw, there are 6 distinct rows of teeth. Swishing through the deep sea, a goblin shark notices a small, yummy-looking squid. Leopard Plantains vs. This vulnerability is exacerbated by the large and growing demand for shark fins and the general lack of management of shark fishing. 43m and the heaviest ever recorded was a staggering 183. Negaprion teeth are smaller than those of adult. Scalloped. Carcharhinus. Half of the 368 shark species are under 39 inches (1 m) long. Characteristics. Lemon sharks, Negaprion brevirostris (Poey, 1868), are named for their pale yellow to brown coloring on their dorsal (upper) sides and a lighter yellow on their ventral (lower) sides. 4-3 m with a maximum of 3. Lemon sharks get their name from their light-colored, brownish-yellow skin. Atlantic sharpnose sharks are small for sharks and have a streamlined body. Facts about shark anatomy. Fossil shark teeth are found in sedimentary rocks that are specifically marine-derived, meaning that the sediments were originally laid down underwater in the ocean. The tiger shark is usually found in tropical and temperate waters worldwide and is a giant requiem shark. paucus) in tropical seas. An average Angel Shark weighs around 77 pounds. Its back and sides are gray to brown with white spots among. This varies, of course, among different species of sharks and the chemical in question. Sharks whip their prey around back and forth in order to break off large chunks of meat. Lemon shark, species of shark in the family Carcharhinidae. Bony fish and cephalopods are the main components of. But for those it has we know that: The males of some species (such as catsharks) twist their body around females before mating. Interesting Facts About the Lemon Shark Lemon Yellow – Unlike actual lemons, lemon sharks are not quite so brightly colored. Pass Recovering America’s Wildlife Act. In this unique form of cooperation, the dolphins gain because the fish are disoriented and because the. The lemon shark is a member of the Carcharhinidae family, which also includes the bull shark and the great white shark. This species, Galeocerdo cuvier, should not be confused with so-called ‘sand tiger sharks,’ which are not its close relatives. 10. Weight: The heaviest specimens can weigh up to 24 pounds (approx. Nursery areas for lemon sharks are typically surrounded by. The unique. In them are which are nerve receptors called the ampullae of Lorenzini. Flattened spade-shaped head b. 5-3m) in length. Over the course of time, countless numbers of flavors and fragrances have found their way into everyday life, notably into foods, beverages and confectionery items; into personal care products (soaps, toothpastes, mouthwashes, deodorants, bath lotions. Vitamin C. It has more uses than almost any other mineral. Shark Facts: Habitat, Behavior, Diet. When a great white shark is born, along with up to a dozen siblings, it immediately swims away from its mother. The lemon shark is named for its yellowish skin. Lemon sharks will eat crustaceans, catfish, jacks, mullet, croakers, cowfish, stingrays, eagle rays, porcupine fish, guitarfish, crabs, crayfish, and even birds. It can be found in deeper water depths ranging from 230 to 300 feet. The most common squid found in the bathyal zone is the vampire squid, so named for its hunting strategy of descending on prey and draping its tentacles over it like a cloak or net. Fun Facts About Sharks for Kids. Lemon Haze is a sativa marijuana strain that smells and tastes like fresh peeled lemon slices. The most likely theory though is that the name comes from the Old English word for sea-floor shark: hurse. The white shark is born at approximately 4 feet long and can grow up to about 20 feet long, weighing over 4,000 pounds. Southeast. Though both sharks and rays use gill slits to breath underwater, they tend to breath differently. Adult lemon sharks range in length from 8 to 10 feet, but they are not considered a threat to humans. Lemon Haze is made by crossing Lemon Skunk with Silver Haze. A short description of the genus Citrus is followed by information on the chemical composition, metabolomic studies and biological activities of. Recognizable by the distinct yellow hue of its skin, the lemon shark occupies coral keys and mangrove forests along the Atlantic Ocean and parts of the Pacific. slit-like spiracle behind eye. The silvertip shark resembles a larger and. Carpet sharks are sharks classified in the order Orectolobiformes / ɒ r ɛ k ˈ t ɒ l ə b ɪ f ɔːr m iː z /. Basking Shark. The blacktip shark (Carcharhinus limbatus) is a species of requiem shark,. Mouth with long labial furrows around corners. 3 ft. It reaches lengths of up to 5. Characterization of essential habitat for sharks is a key requirement for effective conservation of shark populations. A few species will not be able to measured effectively by slant height (for example, lemon shark teeth are basically T-shaped and thus slant height is pretty meaningless and in most Ptychodus, width is the only meaningful value). Captioned information on habitat, size, distinguishing characteristics, other data. 6 and 3. The lemon shark is a medium-sized shark species that is native to the western coast of Africa, as well as the Atlantic and Pacific coasts of North and South America. Known in China as yu chi or "fish wings," shark fins are used to make the traditional delicacy shark-fin soup. 4 to 3. Lemon sharks are found in warm and shallow waters, particularly in the western Atlantic Ocean. Habitat: Marine, coastal and oceanic habitats worldwide. Silky – similar to bull, blacktip and spinner but has interdorsal ridge; similar to sandbar but has dorsalGlobal demand for shark products, such as fins and meat, as well as high levels of bycatch, have caused widespread declines in shark populations globally 1, 2, 3, with the potential to affect the. Fishing Lines. It is found worldwide in temperate seas at depths down to about 800 m (2,600 ft). These types of fish are lighter than. ParasitesShark Personality Traits. Once the container is filled to its original level, empty half of the water again and siphon water from the tank to replace it. An adult Blacktip Shark can grow as long as 8 feet and range in weight from 66 to 220 pounds. Subscribe: National Geographi. 5 to 56 million years ago. Researchers believe that the broadnose sevengill shark is also closely related to a number of ancient. Common Name. Superb Sense of Smell. The use of fragrance is ubiquitous and is a global human phenomenon. The body of the lemon shark is large and robust and commonly reaches lengths between 2. Animal in the water give off electricity: every time an animal's heart beats or it moves, tiny currents of electricity are made. brevirostris (first and second dorsal fins nearly equal in size); Caribbean reef shark, C. Check out the surprisingly social lemon shark. 1m long and they weigh roughly 100kg. An adult can measure between 3. Carcharhinid, any member of the shark family Carcharhinidae, which includes about 12 genera and 50 species found worldwide. 1. They are consummate scavengers, with excellent senses of sight and smell and a nearly limitless menu of diet items. Other elasmobranchs include rays, sawfish and skates. These types of sharks inhabit reefs and shallow water areas surrounding land masses. Lemon sharks have a slender body and a long, pointed snout which sets them apart from other shark species. Great white sharks have a bite more than 20 times stronger than a human. The body of the mako shark is cylindrical, fusiform and hydrodynamic. Besides all this, we can say that the sexual maturity of the lemon shark only occurs between 12 and 16 years old, which means that it is extremely late for the animal kingdom and, consequently, this animal has a low rate of immunity; despite having more or less 4 to 17 pups per litter. These sharks have two dorsal fins, an anal fin, and five-gill slits. Lemon sharks have teeth that are triangular and serrated. They are a large species, growing to a maximum length of 10. We've learned so much about the world's oceans, but there is still a lot to explore. ). Sometimes called a "living fossil", it is the only extant representative of the family Mitsukurinidae, a lineage some 125 million years old. Sharks have the thickest skin of any animal species. Scalloped hammerhead sharks are moderately large sharks with a global distribution. Photograph: Joseph Prezioso/AFP/Getty Images. These sharks prefer shallower waters and are often found near coastlines and islands. Decide whether the statement in the first box (1a) or the the second box (1b) best describes the characteristics of the shark you are trying to identify. Blacktip shark females are larger than males, with the average length being 5. The Galapagos shark (Carcharhinus galapagensis) is a species of requiem shark, in the family Carcharhinidae, found worldwide. This has been observed primarily among sharks, such as the shortfin mako and porbeagle , but is known for a few bony fish as well, such as the halfbeak. Help Save Bats. Everybody is familiar with the Great White. It reaches a length of 2. Atlantic blacktip sharks are gray to gray-brown, with white on the belly and a conspicuous wedge-shaped band or Z-shaped line on the sides. 9 meters (5 to 6 feet) long and only weighs 20 to 25 kilograms (44 to 55 pounds). Their mother may see them only as prey. Size: The typical length is 2 to 3 feet (0. Sharks portal; List of prehistoric cartilaginous fishSite is quite shallow, 8 to 10 m deep, and divers are comfortably kneeling down on a sandy bottom, observing tiger sharks (some females reach up to 4,5m long). Characteristics & Appearance. 1 m medium action rods and 4. Physical The lemon shark has a large physical size as do the others in its family, as it can measure up to 3 meters long. Sometimes the common name "carpet shark" (named so because many species resemble ornately patterned carpets) is used interchangeably with "wobbegong", which is the common name of sharks in the family Orectolobidae. The tiger shark is one of the requiem sharks, renowned as formidable predators with powerful jaws and razor-sharp teeth. Imagine up to 7 rows of teeth along their gums, and up to 300 teeth in total. Sharks can move both their lower and upper jaws. Its appearance, which changes as the shark reaches maturity, has caused confusion among divers who often mistake it for the leopard shark. Oceana International Headquarters 1025 Connecticut Avenue, Suite 200 Washington, DC 20036 USA. Some scientists attribute it to the French word for “rest (death)” which may refer to their impressive hunting skills. Usually, lemon sharks grow to between 8 and 10 ft. Ask students to examine the teeth for features that help capture and eat a particular kind of food, and then match each tooth to a shark and its food. Instead of bones, the skeleton of sharks is composed of cartilage, a flexible, robust and less dense substance. These help to protect and provide for offspring as they develop. The average length of a lemon shark is around 9 ft. Lemon sharks can reach an average size of 8-10 feet (2. The bull shark ( Carcharhinus leucas ), also known as the Zambezi shark (informally zambi) in Africa and Lake Nicaragua shark in Nicaragua, is a species of requiem shark commonly found worldwide in warm, shallow waters along coasts and in rivers. Remora front dorsal fins have evolved to enable them to adhere by suction to smooth surfaces, and they spend most of their lives clinging to a host animal such as a whale, turtle, shark or ray. characteristics of sharks. Anxiety. 000 square feet. Lemon balm might help reduce anxiety, according to a small pilot study. slit-like spiracle behind eye. The Basking Shark is the world's second largest fish.