Whale sharks are mammals?
Whale shark is a shark of the genus whale shark of the whale shark family, with a body length of 9-12 meters and a maximum individual length of 20 meters. It is the largest fish in the world and the highest among fish. So, is whale shark a mammal?
Is the whale shark a mammal?
Whale sharks are not mammals. Whale sharks are a kind of sharks, and sharks are not mammals because they breathe on their cheeks and do not breast-feed their cubs, nor are they thermostat animals.
Second, is the whale shark viviparous or egg-laying?
The whale shark is an oviparous animal. In July 1996, fishermen in Taitung, Taiwan caught a female shark and then found 300 young sharks and eggshells in their bodies, indicating that the whale shark is actually an oviparous animal. Whale sharks leave their eggs in the body until the baby sharks grow to 40 to 60 centimeters before they are released.
What do whale sharks eat?
Whale sharks are filter feeders that feed on plankton, giant algae, krill and small zooplankton (such as small squid and vertebrates). The main foods are krill, crab larvae, jellyfish, sardines, anchovies, mackerel, small tuna and squid. Whale sharks have a very gentle personality and do not "eat people" like some sharks. Together with divers, whale sharks may be inadvertently hit by their huge caudal fins, but they will not cause significant harm to humans.
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How to raise river crabs when they are bought?
River crab is a kind of crab that we often eat. Compared with sea crab, river crab is cheaper and more convenient to buy, so how to raise it after buying it? The basic introduction of river crabs is that river crabs belong to the family Eriocheir sinensis and Eriocheir sinensis, often living in rivers, rivers and lakes.
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How to raise colorful little turtles
The latest favorite: the colorful online celebrity little tortoise has a variety of colorful patterns printed on its back, making the originally dull tortoise cute. Colorful little turtles are generally ordinary Brazilian turtles, and the color above is usually painted by hand.
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