Sharks

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Though sharks are considered apex predators, they are often eaten by humans and are sometimes eaten by killer whales. Shark embryos from different fathers will also eat each other in utero, with the largest embryo of the bunch usually winning out.

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  • What is a baby shark called?

    Q: What is a baby shark called?

    A: A baby shark is referred to as a pup. Sharks are born in three different ways. Sharks lay eggs that then hatch, carry eggs that hatch inside them or grow pups inside them.
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  • How fast can a great white shark swim?

    Q: How fast can a great white shark swim?

    A: Because of its highly streamlined shape and powerful swimming muscles, a great white shark can swim up to 35 miles per hour in short bursts. In addition to its ability to swim in short bursts, a great white can also move at a steady cruising speed. Scientists recorded one great white that swam a total of 12,400 miles in nine months, an average of 45 miles each day.
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  • What does the great white shark eat?

    Q: What does the great white shark eat?

    A: Great white sharks eat mainly seals and sea lions. They also eat other types of fish and even sea turtles. Seals are a good source for great white sharks due to their large body fat ratios.
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  • Is a shark a mammal?

    Q: Is a shark a mammal?

    A: A shark is not considered a mammal. Sharks are considered members of the paraphyletic group of organisms that contain gills, or in other words, fish.
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  • Where do whale sharks live?

    Q: Where do whale sharks live?

    A: Whale sharks live in all seas that are tropical or warm-temperate. Generally whale sharks range no further south than South America and no further north than the United States. They prefer warmer waters near the equator.
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  • How long is a great white shark?

    Q: How long is a great white shark?

    A: An adult great white shark reaches an average of 15 feet in length. However, several great whites exceeding 20 feet and 5,000 pounds have been recorded, making the species the largest predatory fish on the planet.
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  • How do you fight a shark?

    Q: How do you fight a shark?

    A: If you are attacked by a shark, it is important to fight back and get out of the water as soon as possible, but there are also important tips to learn to avoid a shark encounter. Sharks generally don’t like to eat humans. When sharks bite humans it is usually a “hit and run,” where they bite the human out of curiosity and swim away. This usually happens in shallow water and is rarely lethal.
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  • How long do sharks live?

    Q: How long do sharks live?

    A: According to PBS, the average life span of a shark is 25 years. Life expectancy can vary among shark species. Sharks tend to live much longer in the wild than in captivity.
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  • How long does a great white shark live?

    Q: How long does a great white shark live?

    A: Great white sharks have a lifespan of 30 to over 100 years. Great whites can be found in all major oceans and are well known for their large size. Some reach lengths of over 20 feet.
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  • What are some interesting megalodon facts?

    Q: What are some interesting megalodon facts?

    A: The megalodon was a prehistoric shark species that went extinct at least 1.5 million years ago; the reasons the giant predators disappeared remain a mystery. Megalodons were not only the largest sharks to have ever lived, they were also the largest marine predator to ever swim the world’s oceans. While some propose that the sharks may still swim the world’s oceans, most scientists agree they are extinct.
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  • Why are sharks afraid of dolphins?

    Q: Why are sharks afraid of dolphins?

    A: Sharks actually attack dolphins on occasion, but sharks are wary of them because dolphins have excellent detection skills in the water, are highly intelligent, attack in groups and occasionally protect other mammals including humans even if they aren’t part of the dolphin’s pod. According to Sharks-World, sharks aren’t so much afraid of dolphins as they are confused by the sounds that dolphins make.
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  • What is the biggest great white shark ever seen?

    Q: What is the biggest great white shark ever seen?

    A: According to Discovery Communications, the biggest great white shark ever reported was 23 feet long. It was caught off the coast of Malta by Alfredo Cutajar in 1987, however there is still some debate as to if the measurement was accurate or not.
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  • How do you perform shark tooth identification?

    Q: How do you perform shark tooth identification?

    A: To identify shark teeth, make a note of the tooth's identifying characteristics and compare it with literature or pictures of shark teeth. You need a magnifying glass to help review the tooth. Written and pictorial information helps identify most teeth.
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  • What eats a great white shark?

    Q: What eats a great white shark?

    A: The great white shark is an apex predator, and as such, healthy adults of the species have no natural predators. Only one real threat faces the great white shark: humans that accidentally catch them, illegally poach them, pollute the waters they live in or lay nets along coastlines that may entrap them.
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  • Why are sharks important?

    Q: Why are sharks important?

    A: According to Shark Savers, sharks are important because of the role they play in the oceans. Sharks have a positive effect on food webs, ocean populations and habitat health.
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  • What are the Great White Shark behavioral adaptations?

    Q: What are the Great White Shark behavioral adaptations?

    A: To survive, great white sharks have evolved several behavioral adaptations, including flexible activity patterns, migratory habits and social hierarchies. However, great white sharks are also intelligent hunters, and their most important adaptation is their use of different strategies for different prey. Great whites are not commonly kept in captivity; so many aspects of their behavior remain unknown, as it is difficult to study them in the wild.
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  • How many teeth does a nurse shark have?

    Q: How many teeth does a nurse shark have?

    A: The nurse shark has thousands of small notched teeth. The jaws of the nurse shark are powerful and are used to crush hard prey, including shellfish. Fish, shrimp and squid compose the other portions of the nurse shark's diet.
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  • Do sharks eat dolphins?

    Q: Do sharks eat dolphins?

    A: Sharks eat dolphins. Because dolphins form protective circles around the weakest members of their pods and mount attacks against any threats, only the largest sharks attempt to eat dolphins.
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  • What eats a shark?

    Q: What eats a shark?

    A: Though sharks are considered apex predators, they are often eaten by humans and are sometimes eaten by killer whales. Shark embryos from different fathers will also eat each other in utero, with the largest embryo of the bunch usually winning out.
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  • Are sharks blind?

    Q: Are sharks blind?

    A: Sharks have the ability to see, but they cannot see colors. Dolphins, whales and other aquatic animals are also color-blind. Marine animals' survival is not dependant on the ability to see color, but rather the ability to see contrast in colors.
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  • What is the symbiosis between remoras and sharks?

    Q: What is the symbiosis between remoras and sharks?

    A: Most scientists classify the relationship between the shark and the remora as a commensalit relationship, because the remora benefits from the transportation and food that the shark provides, while the shark does not seem to be harmed. However, there are some scientists who believe that the remora are irritating to sharks, and others who believe the relationship is symbiotic.
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