Which of the following are the characteristics of an organism belonging to Pisces?
All of the above
The characteristics of an organism belonging to Pisces are:
i) They possess a vertebral column.So they are called vertebrates.
ii) They have paired fins with fin rays.
iii) They have gills and operculum.The operculum is a series of bones found in bony fish that serves as a facial support structure and a protective covering for the gills; it is also used for respiration and feeding.
Examples: Rohu fish, Shark, Singi fish