Why are starfish not included in the pisces class?

'Starfish' is a misnomer. They aren't really fish. A bit like the word 'pineapple'(neither pines nor apples) or guinea pig(not from guinea, not pigs). Starfish are invertebretes which are very much different from fish. read more

Starfish' is a misnomer. They aren't really fish. A bit like the word 'pineapple'(neither pines nor apples) or guinea pig(not from guinea, not pigs). Starfish are invertebretes which are very much different from fish. read more

Starfish are not categorized under the class Pisces because they do not have gills, scales, or fins which are characteristic features of fishes. They are found only in saltwater and use sea water to pump nutrients through their bodies via a water vascular system. Starfish have a radial symmetry with several arms radiating from a central body. read more

because starfish or sea star do not have vertebral coulumn anf do not have scales like fishes. and also pisces have bilateral symmetry while sea star have radial symmetry. and also they have streamlined body while sea star do not have that. read more