Question

True fish as per the biological system of classification

Answer 1

Answer: The traditional term pisces (also ichthyes) is considered a typological, but not a phylogenetic classification. Fish, the member of the Animalia Kingdom is classified into Phylum Chordata and Vertebrata Subphylum.

Explanation:

Answer 2

A fish must have gills, fins and a vertebra, all of which a jellyfish lacks. Starfish also falls in the same criteria as a jelly fish. It is a star-shaped aquatic animal which leaves stuck to a surface.