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Once prey is found, electric eels will use a much stronger shock to stun prey, usually smaller fish. Electric eels can grow up to 8 feet (2.5 meters) in length.
Check out the ocean!Dolphins are born tail-first! Learn more amazing facts about these amazing creatures with National Geographic Kids.
Almost all pufferfish contain tetrodotoxin, a substance that makes them foul tasting and often lethal to fish. To humans, tetrodotoxin is deadly, up to 1,200 times more poisonous than cyanide.
The farm produces 30 million pounds of fish each year from its 500 ponds. The fish are vegetarians: their feed is made from soy, corn, rice, wheat, and cottonseed meal, with no antibiotics.
21 thg 3, 2025 · Fish are spinning to death in the Florida Keys—again. Why is history repeating? After nine months, the strange behavior that claimed the lives of endangered sawfish is back.
Despite these problems, there are several fish that are both healthy and sustainable, such as Alaskan salmon, American catfish, Pacific cod, and several farm-raised fish and shellfish.
26 thg 3, 2025 · “They open their mouth rapidly and create suction to slurp up a prey item, like a small fish or invertebrate.” Aside from having skin in lieu of scales, there are some other differences.
The fish are known for having large eyes and great senses of smell and hearing. Their ability to hear comes from small bones near their skull that link their swim bladder and their inner ear.
Try to get back to your dolphin pod by navigating through this coral reef maze. Light your way with jellyfish—but watch out for orcas!
Watch full episodes, specials and documentaries with National Geographic TV channel online.
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