Do sharks eat walruses? What sharks can live in freshwater? Are sharks bony fish? Do whale sharks have any predators? What is a Greenland shark? Are whale sharks the biggest fish? Are basking sharks extinct? Do dolphins live in the Antarctic Ocean?
What sharks can live in freshwater? Is a basking shark a carnivore? Do great white sharks live in coral reefs? Are tiger sharks aggressive? Are there sharks in Arctic Ocean? Are whale sharks dangerous? Is a seal nekton? Are there sharks in the Bay of Fundy?
Whale sharks are commonly seen in this area from late July through September, and as this was the first week of October—we were very lucky to have such an interaction. Located on the eastern shoreline of the Baja Peninsula, this large, protected anchorage is also known as the Bay of the...
It can live in both salt and freshwater, and the bull has been spotted in water so shallow that humans can walk around in it. What's more, bull sharks are fairly territorial about their homes, so a person out for a simple stroll could be agitating bull sharks without even knowing it....
Piranhas and sharks share a reputation for being excessively aggressive, but there's little else linking the South American freshwater fish and a species with almost 500 variations that live in oceans all over the world. But for some reason, Carvanha evolves into Sharpedo. W...
But in actuality, these cephalopods have plenty to watch out for because their soft bodies are scrumptious feasts for sting rays, sharks and other aggressive fish. When the heat is on, octopuses can literally shape-shift in moments to completely alter their appearance. Sacs of yellow, red, ...
JJ Vaudo,MR Heithaus - 《Marine & Freshwater Research》 被引量: 24发表: 2012年 A comparison of the electrosensory morphology of a euryhaline and a marine stingray The electrosensory system is found in all chondrichthyan fishes and is used for several biological functions, most notably prey det...
Though sharks are often pointed to as the most common underwater menace, crocodiles are historically100 times deadlier. Their bite is three and a half times more powerful than a lion’s, and these opportunistic predators hunt to kill. Saltwater crocodiles are more deadly than their freshwater cou...
Though sharks are often pointed to as the most common underwater menace, crocodiles are historically100 times deadlier. Their bite is three and a half times more powerful than a lion’s, and these opportunistic predators hunt to kill. Saltwater crocodiles are more deadly than their freshwater cou...
阅读理解 Stingrays Stingrays are pancake-shaped fish, and you’d never guess it:they’re close cousins of sharks.The smallest kinds are about the size of a dinner plate.But some 4-metre stingrays live in the waters near Australia.About 170 diffe