Which fish has the thickest skin?
whale
whale shark
blue whale
Japanese whale
The skin of the whale shark (Rhincodon typus) has to be very thick in order to assist it to retain heat and to support the muscles that are attached to its inner layers. The largest living shark, the Whale Shark, boasts skin of about 10 centimetres in thickness.
reach: rather globalfishoceansrecords
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whale
whale shark
blue whale
Japanese whale
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