Are Fishes Amphibians. The primary difference between fish and amphibians is that fish are only able to live in water and amphibians are able to live both in and out of water. Other differences between fish and amphibians include habitat, differences in skin type and the presence of limbs. As a class of animals, fish are much older than amphibians, which evolved 370. Fishes are not amphibians because the former survives in the water while the latter can live on both land and in water (mudskippers are also fishes, although they can crawl on land).
There is however a scientific term: The actinopterygians form the very large group of fishes with a bony skeleton. With 27,000 known species, they currently represent half of the vertebrate species. Amphibians, represented by frogs and salamanders in canada, also rely on our freshwater ecosystems to survive. What is the characteristic that differentiates amphibians from fishes? Amphibians can live on water and land whereas fishes can only live in water. Amphibians can respire through lungs and skins, whereas fishes respire through gills. According to science, fish are classed as animals. Fish belong to one of the six general animal groups which are: