Are Fish Ectothemri?
Are Fish Ectothemri? Although most fishes are strictly ectothermic, there are (of course) also fish that attain a regional endothermy in important organs and tissues, such as muscles, eyes, visceral organs, and the brain (69). Why fishes are ectotherms? Fish, amphibians and reptiles belong to a group called ectotherms meaning that these animals do not