Generic name acceptable. Some of these creatures are found in the family Scombridae. Ancient but extant examples of these creatures are gars. In most of these creatures, an operculum of bone covers five pairs of an organ that is used for both excretion and gas exchange. These creatures include Actin∙opter∙ygi∙i, which themselves includes Tele∙ostei, and form the "superclass" (*) Oste∙ich∙thyes, which contrasts with Chon∙d
Generic name acceptable. Some of these creatures are found in the family Scombridae. Ancient but extant examples of these creatures are gars. In most of these creatures, an operculum of bone covers five pairs of an organ that is used for both excretion and gas exchange. These creatures include Actin∙opter∙ygi∙i, which themselves includes Tele∙ostei, and form the "superclass" (*) Oste∙ich∙thyes, which contrasts with Chon∙drich∙thyes. Their appendages can either have lobes or "rays" of bone. They include a famous "living fossil," the coelacanth. Many of these creatures have swim bladders. For 10 points, name these sea creatures with bones (as opposed to sharks), gills, and fins.
Generic name acceptable. Some of these creatures are found in the family Scombridae.
bony fish [accept osteichthyes, teleosteids or actinopterygiidds until mentioned] 