Exactly what are the primary Types ofFish?
Fish are classified into 3 main forms based mostly on their skeletal composition and respiratory techniques:
Bony Fish (Osteichthyes): This category incorporates species like salmon, trout, and cod, accounting for around ninety six% of all fish species. Their skeletons are created of bones, and they've operculum (gill handles) for respiration.
Cartilaginous Fish (Chondrichthyes): Fish like sharks, rays, and skates tumble into this group, characterized by skeletons crafted from cartilage. They normally have multiple gill slits devoid of covers.
Jawless Fish (Agnatha): Primitive fish like lampreys and hagfish belong to this classification. As opposed to other fish, they deficiency jaws and count on suction or other unique feeding procedures.