What Are the key Kinds ofFish?
Fish are classified into 3 primary styles dependent on their skeletal composition and respiratory programs:
Bony Fish (Osteichthyes): This category features species like salmon, trout, and cod, accounting for around 96% of all fish species. Their skeletons are created of bones, and they have operculum (gill handles) for respiration.
Cartilaginous Fish (Chondrichthyes): Fish like sharks, rays, and skates tumble into this group, characterised by skeletons fabricated from cartilage. They usually have various gill slits with no covers.
Jawless Fish (Agnatha): Primitive fish like lampreys and hagfish belong to this group. In contrast to other fish, they deficiency jaws and count on suction or other one of a kind feeding approaches.