Fish & Amphibian Review

Members of this class of fish are jawless with no backbone & include hagfish.

• Myxini

• Sarcopterygii

• Chondrichthyes

• Petromyzontida

Members of this group of fish are cartilaginous and include sharks, skates, and ray.

• Agnatha

• Sarcopterygii

• Chondrichthyes

• Osteichthyes

Members of this group are characterized by an external surface covered in placoid scales.

• Agnatha

• Sarcopterygii

• Chondrichthyes

• Osteichthyes

Members of this group are bony fish and includes goldfish, salmon, and perch.

• Agnatha

• Sarcopterygii

• Chondrichthyes

• Osteichthyes

Members of this group are characterized by a swim bladder and operculum.

• Agnatha

• Sarcopterygii

• Chondrichthyes

• Osteichthyes

Which organ allows the fish to adjust its buoyancy?

• pectoral fin

• swim bladder

• pyloric cecae

• caudal fin

Which fin propels the fish through the water?

• caudal fin

• pelvic fin

• dorsal fin

• anal fin

Which fin is shown as #1 in this picture?

• pectoral

• pelvic

• anal

• dorsal

What fin type is #5 pointing to?

• pectoral

• pelvic

• anal

• caudal

#2 is pointing to what fin type?

• pelvic

• pectoral

• anal

• dorsal