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  • Sharks & Rays - Adaptations

    Magnified ray placoid scales (Left) and magnified shark placoid scales (Right). Swimming speed. Generally sharks swim at speeds less than 5 kph (about 3 mph). For the most part, bottom-dwelling sharks are slow-swimming. Makos are among the fastest sharks, reaching speeds up to 48 kph (30 mph).

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  • Adaptations of the Great White Shark - elasmo-research.org

    2010-2-10u2002·u2002Adaptations of the Great White Shark. Size. Among the very largest of sharks, the Great White regularly reaches a length of 20 feet and a weight of more than two tons. There is reasonably good evidence that this species can reach lengths of 23 or even 26 feet, but such individuals are notoriously difficult to confirm - let alone weigh. Color

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  • Greenland Shark Facts and Adaptations - Somniosus ...

    Greenland shark facts Basics. Like many creatures of the deep seas, little is known about the biology of the Greenland shark. They are rarely seen and difficult to study in the seas usually being caught as a by-catch by trawlers or sometimes caught as a target species, though less so now than in the past when they were heavily fished for their liver oil for lamp fuel and as a lubricant.

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  • sixgill shark adaptations - Streamasport.com

    2020-12-15u2002·u2002sixgill shark adaptations. december 15, 2020. no Comments. These young sharks, known as pups, are a little more than two feet (about 70 centimeters) in length when they are born. Heavy set body. This sixgill shark is known to move up into shallower water to feed at night. During the day it takes refuge in the dark ocean in depths up to 2,500 ...

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  • Fisheries Fact Sheet - Whale shark

    2013-5-6u2002·u2002whale shark was off the coast of Taiwan, which was found to be carrying 300 'pups'. Filter feeders The head of the whale shark is different in shape from most other sharks, being characteristically very broad and square. They have two small eyes situated towards the front of the head and an extremely wide mouth, up to a metre across.

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  • Sandbar Shark

    2021-9-27u2002·u2002The sandbar shark is an opportunistic feeder that takes food around the clock, but is more active at night than during the day. Its food preferences cover a broad range of prey including a variety of small bony and cartilaginous fishes, octopus and squid, …

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  • Goblin Shark - The Australian Museum

    Distribution. The Goblin Shark has been caught in scattered localities through the Pacific, Atlantic and Indian Oceans. In Australia it is known from off New South Wales, Tasmania and possibly from off South Australia. The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums.

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  • 1.9 Adaptation of marine organisms to live in the sea ...

    1.9.1 Biology Adaptation: a brief history of the theory. The biology adaptation is a changing in the structure and in the function of organisms, and it happens because of natural selection. The organism becomes more fitted on surviving and multiplying itself on the environment where it lives. For an organism, the adaptation to the aquatic life ...

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  • Greynurse Shark, Carcharias taurus Rafinesque, 1810 - The ...

    The Greynurse Shark is a distinctive fish which is usually grey-brown on top and a dusky white underneath. Both dorsal fins and the anal fin are of a similar size. Juveniles have reddish or brownish spots on the posterior (back) half of the body and tail. These spots often fade as the shark ages, but are sometimes still visible on adults.

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  • Somniosus microcephalus – Discover Fishes

    2019-12-5u2002·u2002Somniosus microcephalus. Greenland shark. Illustration courtesy FAO. This large, heavy-set shark grows to an average 8-14 feet long but can get to be 24 feet. It has a short, rounded snout, small eyes, and relatively small dorsal fins. Although it is an apex predator, it is a slow swimmer, and likely ambushes its prey and scavenges for carrion.

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  • Galapagos Sharks - Galapagos Shark Facts & Information

    2021-9-28u2002·u2002Galapagos Shark Facts. Size: 10 - 12 ft. (3 - 3.6m.) The Galapagos shark is quite similar to the Grey Reef Shark but has a rounder head and a thicker body towards the tail section. It can often be difficult to identify when spotted next to other shark species. Galapagos sharks are normally found in very isolated spots in the world, primarily ...

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  • Open Ocean: Blue Shark

    2010-2-10u2002·u2002Open Ocean: the Blue Desert Blue Shark. Lithe as a snake and graceful as any bird, the Blue Shark (Prionace glauca) is among the most beautiful of sea creatures.Its long snout pocked with large, white-rimmed eyes, elegant, scimitar-shaped pectoral fins, and flanks of brilliant ultramarine render this shark easily recognizable.

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  • Sharks & Rays - Bibliography

    Take a deep dive and learn all about sharks - from what they like to eat to how they care for their young. Click here for a library of shark resources.

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  • Fact Sheet: Fish Adaptations • Department of Primary ...

    2020-5-26u2002·u2002Structural adaptations. Structural adaptations are physical characteristics that aid in survival and reproductive success. Body shape. Fish live in a medium that is close to eight hundred times denser than air, yet some can travel at speeds of up to 100 km/h, walk in a leisurely fashion across the seabed, or maintain balance in turbulent waters.

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  • Megamouth Shark - Shark Facts and Information

    2021-8-27u2002·u2002The megamouth shark is an exotic species discovered in 1976. It is very unlikely to see, and no one suspected its existence until then, when a new family, genus, and species was created to classify this shark. It is the most primitive living species of the order Lamniformes but is the smallest shark of those that feed on plankton.

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  • Bull Shark - Shark Facts and Information

    2021-8-27u2002·u2002There is sexual dimorphism: the female is larger than the male, as the male commonly has a length of 2.13 meters and weighs 90-95 kilograms, while the female reaches a length of 2.3-3.4 meters and weighs 129-230 kilograms. DISTRIBUTION AND HABITAT. Bull shark distribution is along the coastal waters of tropical and subtropical seas around the ...

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  • Sixgill shark Fish Facts - AZ Animals

    2021-7-23u2002·u2002Sixgill Shark Appearance. These sharks are characterized by a broad and pointed head, a long tail, large green eyes, a single dorsal fin on the back, and comb-like teeth arranged in six separate rows on each side of the lower jaw. By far the easiest way to identify them, though, is the presence of six gill pairs. Most sharks only have five.

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  • Fact Sheet: Fish Adaptations • Department of Primary ...

    2020-5-26u2002·u2002Structural adaptations. Structural adaptations are physical characteristics that aid in survival and reproductive success. Body shape. Fish live in a medium that is close to eight hundred times denser than air, yet some can travel at speeds of up to 100 km/h, walk in a leisurely fashion across the seabed, or maintain balance in turbulent waters.

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  • Whitetip Reef Shark - Oceana

    2021-5-30u2002·u2002The whitetip reef shark is a common and broadly distributed species. They are nocturnal, spending their nights hunting and their days resting in reef caves or sandy bottoms with large groups of fellow whitetips. In caves, whitetip reef sharks pile on top of each other like logs, lying motionless for hours because this species does not need to move to breathe.

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  • Sharks & Rays - Bibliography

    Take a deep dive and learn all about sharks - from what they like to eat to how they care for their young. Click here for a library of shark resources.

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  • Somniosus microcephalus – Discover Fishes

    2019-12-5u2002·u2002Somniosus microcephalus. Greenland shark. Illustration courtesy FAO. This large, heavy-set shark grows to an average 8-14 feet long but can get to be 24 feet. It has a short, rounded snout, small eyes, and relatively small dorsal fins. Although it is an apex predator, it is a slow swimmer, and likely ambushes its prey and scavenges for carrion.

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  • 1.9 Adaptation of marine organisms to live in the sea ...

    1.9.1 Biology Adaptation: a brief history of the theory. The biology adaptation is a changing in the structure and in the function of organisms, and it happens because of natural selection. The organism becomes more fitted on surviving and multiplying itself on the environment where it lives. For an organism, the adaptation to the aquatic life ...

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  • Bull Shark - Shark Facts and Information

    2021-8-27u2002·u2002There is sexual dimorphism: the female is larger than the male, as the male commonly has a length of 2.13 meters and weighs 90-95 kilograms, while the female reaches a length of 2.3-3.4 meters and weighs 129-230 kilograms. DISTRIBUTION AND HABITAT. Bull shark distribution is along the coastal waters of tropical and subtropical seas around the ...

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  • Galapagos Sharks - Galapagos Shark Facts & Information

    2021-9-28u2002·u2002Galapagos Shark Facts. Size: 10 - 12 ft. (3 - 3.6m.) The Galapagos shark is quite similar to the Grey Reef Shark but has a rounder head and a thicker body towards the tail section. It can often be difficult to identify when spotted next to other shark species. Galapagos sharks are normally found in very isolated spots in the world, primarily ...

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  • Megamouth Shark - Shark Facts and Information

    2021-8-27u2002·u2002The megamouth shark is an exotic species discovered in 1976. It is very unlikely to see, and no one suspected its existence until then, when a new family, genus, and species was created to classify this shark. It is the most primitive living species of the order Lamniformes but is the smallest shark of those that feed on plankton.

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  • Mako Shark - Description, Habitat, Image, Diet, and ...

    To survive, they must eat 3% of their body weight. For a 150 lbs. shark, that's approximately 4.5 lbs. of fish per day. Mako Shark and Human Interaction. These sharks rarely interact with humans and, when they do interact, the sharks do not view people as a prey source.

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  • Gar Fish - Facts

    2021-4-13u2002·u2002The garfish is a tall and slender fish with a longitudinally compressed body and grows to about 50 to 75 cm (20 to 30 inches) in length. The jaws are elongated and have sharp teeth. The pectoral, dorsal, and anal fins are well placed in the body, and the second is similar in appearance.

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  • Great white shark body adaptations, adaptations of the ...

    The adaptations of the body utilised in - Shark Snippet. Sharks have many teeth, but the Great White has sharp, triangular blades for teeth on the bottom and top and average of about 230. This adaptation allows the Great White to feed on prey too large to swallow whole and makes the shark a vicious predator.

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  • Sharks

    2021-9-29u2002·u2002The ground sharks ( Carcharhiniformes. (link is external) ) are some of the most familiar sharks, including tiger sharks, bull sharks, reef sharks, hammerhead sharks and catsharks. They are defined by an elongated snout and nictitating membrane, and there are more than 270 species. The order Echinorhiniformes.

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  • Fact Sheet: Fish Adaptations

    2021-9-21u2002·u2002Fact Sheet: Fish Adaptations Region North Coast, Gascoyne Coast, West Coast, South Coast, Indian Ocean Territories Summary Fish have adapted to live in an enormously wide range of aquatic habitats. Adaptations are features that increase the animals' likelihood of surviving in their habitat. Adaptations may be categorised as:

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  • Covariance Matrix Adaptation Evolution Strategy — Shark

    2018-11-6u2002·u2002Covariance Matrix Adaptation Evolution Strategy¶. The covariance matrix adaptation evolution strategy (CMA-ES) is one of the most powerful evolutionary algorithms for single-objective real-valued optimization .The algorithm relies on normally distributed mutative steps to explore the search space while adjusting its mutation distribution to make successful steps from the recent past more ...

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  • Sandbar Shark

    2021-9-27u2002·u2002The sandbar shark is an opportunistic feeder that takes food around the clock, but is more active at night than during the day. Its food preferences cover a broad range of prey including a variety of small bony and cartilaginous fishes, octopus and squid, …

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  • Shark Habitat - Shark Facts and Information

    2021-8-27u2002·u2002Sharks are very good at adapting to new situations and environments which is why they have survived in the water for millions of years. The habitat of a shark depends on the species though. Sharks are cold blooded, and that would usually imply that they …

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  • Where Do Sharks Live? Fun Facts About Shark Habitat

    2019-6-24u2002·u2002Gray reef sharks, Caribbean reef sharks, and zebra sharks tend to live near coral reefs, feasting on the diverse marine life found in these communities. Sandy plains. Angel sharks, great hammerhead sharks, and saw sharks thrive in the sandy plains, sniffing out prey like small fish and crustaceans even when they're buried in the mud or sand.

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  • Galapagos Sharks - Galapagos Shark Facts & Information

    2021-9-28u2002·u2002Galapagos Shark Facts. Size: 10 - 12 ft. (3 - 3.6m.) The Galapagos shark is quite similar to the Grey Reef Shark but has a rounder head and a thicker body towards the tail section. It can often be difficult to identify when spotted next to other shark species. Galapagos sharks are normally found in very isolated spots in the world, primarily ...

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  • Aquatic Habitat - ClassNotes.ng

    distribution of organisms and adaptation to marine habitat Organisms of the splash zone include periwinkles; crustaceans e.g. ghost crab, seaweeds and sargassum (algae). Those of intertidal zone include starfish, sea anemones, sponges, sea urchin, annelids, Mollusca and barnacles.

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  • Dolphin Adaptations: Lesson for Kids - Video & Lesson ...

    2020-11-29u2002·u2002The most important dolphin adaptation is the blowhole located on the top of the body. The blowhole allows a dolphin to come up to the surface, easily take in air, and continue swimming. When a ...

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  • Alopias vulpinus – Discover Fishes - Florida Museum

    2018-4-4u2002·u2002Alopias vulpinus. These sharks are easily recognized by the long upper lobe of the caudal fin (top half of the tail), which they use to stun their prey, usually smaller schooling fish. They are fast swimmers that will sometimes leap out of the water. Because they have small mouths and teeth, and are quite timid, they are considered mostly ...

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  • Rhincodon typus (whale shark) - Animal Diversity Web

    2021-9-28u2002·u2002Whale shark eyes are able to follow swimmers at distances of 3 to 5 meters away, suggesting that they are capable of picking out objects and movement at close range. Most sharks have ampullae of Lorenzini, which are pit-like organs clustered around the head that detect weak electric and magnetic fields and may help with navigation.

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  • Bull Shark - Shark Facts and Information

    2021-8-27u2002·u2002There is sexual dimorphism: the female is larger than the male, as the male commonly has a length of 2.13 meters and weighs 90-95 kilograms, while the female reaches a length of 2.3-3.4 meters and weighs 129-230 kilograms. DISTRIBUTION AND HABITAT. Bull shark distribution is along the coastal waters of tropical and subtropical seas around the ...

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  • Vertical habitat and behaviour of the bluntnose sixgill ...

    2015-5-1u2002·u2002The two females (shark 2 and shark 4) and the smaller male (shark 1) were likely immature, while the larger male (shark 3) was probably mature based on published maturity data (Ebert, 1986, Ebert, 2002). Their time at liberty ranged from 53 to 97 days.

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  • Creature Feature: Thresher Sharks

    2021-8-17u2002·u2002In this new series, the Shark Trust will be sharing amazing facts about different species of sharks and what you can do to help protect them. This month they're showcasing the super agile, fish-herding, thresher sharks. Made up of 3 different species, these sharks can whip up dinner at lightning speed… Thresher Sharks are found […]

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  • Greenland shark - Fisheries and Oceans Canada

    However the average size range for adults is usually between 3.5 and 5 meters (11 to 16 feet). This shark is an extremely slow growing animal. Tagging studies have suggested that some of the adults may grow at a rate of only 1 cm (0.4 inches) per year. One Greenland shark captured 16 years after tagging grew from 262 cm to 270 cm.

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  • Grey Reef Shark Fish Facts

    2021-2-15u2002·u2002Grey Reef Shark Classification and Scientific Name. Grey reef sharks also go by many other names, including: bronze whalers, whaler sharks and blacktail reef sharks. Their scientific nam is Carcharhinus amblyrhynchos. The genus Carcharhinus is named after two Greek words that mean 'sharpen' and 'nose.'. They are members of the taxonomic ...

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  • Shark, grasshopper studies point to winners and losers of ...

    2020-12-10u2002·u2002Shark, grasshopper studies point to winners and losers of rising heat. A warming climate means resilience is the key to species' survival. Two Macquarie researchers have been looking at what adapting to the heat will mean for two very different creatures. Climate change isn't just warmer days – it's an adaptation challenge.

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  • Great White Shark - Description and Facts - Shark Keeper

    There are several incidents of killer whales attacking and killing great whites. A documented example is a case of the Farallon Islands off California, in the United States. Here, a female orca estimated to be around 15 – 17 feet (4.7 – 5.3 m) incapacitated a great white shark of length 10 – 13 feet (3 – 4 m).

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  • Megamouth Shark - Shark Facts and Information

    2021-8-27u2002·u2002The megamouth shark is an exotic species discovered in 1976. It is very unlikely to see, and no one suspected its existence until then, when a new family, genus, and species was created to classify this shark. It is the most primitive living species of the order Lamniformes but is the smallest shark of those that feed on plankton.

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  • Amazing Adaptations of Ocean Animals

    2018-3-19u2002·u2002Some of the most amazing adaptations are from ocean animals like sharks, jellies, starfish, stingrays and dolphins. Sharks are very good at finding food. They have streamlined bodies to help them swim fast and gills that suck the oxygen out of the water so they can breathe. The most amazing shark adaptation is called ampullae of lorenzini.

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  • Covariance Matrix Adaptation Evolution Strategy — Shark 3 ...

    2018-11-6u2002·u2002Covariance Matrix Adaptation Evolution Strategy¶. The covariance matrix adaptation evolution strategy (CMA-ES) is one of the most powerful evolutionary algorithms for single-objective real-valued optimization .The algorithm relies on normally distributed mutative steps to explore the search space while adjusting its mutation distribution to make successful steps from …

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  • Hypoxic survival strategies in two fishes: extreme anoxia ...

    2004-8-15u2002·u2002Exposing the epaulette shark to anoxia resulted in a 3.5-fold increase in brain adenosine levels when compared with normoxic controls (Renshaw et al.,2002). Moreover, after ∼40 min in anoxia, the epaulette sharks became unresponsive and lost their righting reflex while they still successfully defended their brain ATP levels.

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  • Adaptations to Life in the Oceans. Pelagic Macrofauna

    2017-1-16u2002·u20024.3. Physiological adaptations to metabolic rates 4.3.1. Abiotic factors 4.3.2. Biotic factors 5. Reproduction and life histories Acknowledgements Glossary Bibliography Biographical Sketch Summary A perspective of the adaptations of the pelagic macrofauna in …

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  • 1.9 Adaptation of marine organisms to live in the sea ...

    1.9.1 Biology Adaptation: a brief history of the theory. The biology adaptation is a changing in the structure and in the function of organisms, and it happens because of natural selection. The organism becomes more fitted on surviving and multiplying itself on the environment where it lives. For an organism, the adaptation to the aquatic life ...

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  • sharks - Google Search

    2021-8-5u2002·u2002The most common megalodon fossils are its teeth. Diagnostic characteristics include: triangular shape, [3] robust structure, [6] large size, [3] fine serrations, [3] and visible v-shaped neck. [3] Megalodon te ure over 180 millimetres (7.1 in) in slant height or diagonal length, and are the largest in size of any known shark species. [22] Some fossil vertebrae have been found. [8]

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  • Aquatic Habitat - ClassNotes.ng

    distribution of organisms and adaptation to marine habitat Organisms of the splash zone include periwinkles; crustaceans e.g. ghost crab, seaweeds and sargassum (algae). Those of intertidal zone include starfish, sea anemones, sponges, sea urchin, annelids, Mollusca and barnacles.

    Get Price
  • Dolphin Adaptations: Lesson for Kids - Video & Lesson ...

    2020-11-29u2002·u2002The most important dolphin adaptation is the blowhole located on the top of the body. The blowhole allows a dolphin to come up to the surface, easily take in …

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  • (PDF) Life History Patterns and Correlations in Sharks

    Abstract and Figures. This study examines life history patterns and correlations between traits related to body size, reproduction, age, and growth in sharks, using data from 230 populations ...

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  • Facts About Great White Sharks

    2014-11-1u2002·u2002Great white sharks can detect one drop of blood in 25 gallons (100 liters) or water and they can sense even a little blood up to 3 miles (5 km) away, according to National Geographic,.

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