Teleostei are a major group of which fishes?

Study for the IB Marine Science Standard Level Exam. Prepare with interactive quizzes and in-depth explanations. Use our resources to excel in your marine science knowledge!

Multiple Choice

Teleostei are a major group of which fishes?

Explanation:
Teleostei are a major group of ray-finned bony fishes. They belong to the bony fishes (Osteichthyes) and make up by far the largest and most diverse lineage within the ray-finned fishes (Actinopterygii), with fins supported by many thin bony rays. This sets them apart from jawless fishes (which lack jaws), lobe-finned fishes (which have fleshy, lobed fins), and cartilaginous fishes (which have skeletons made of cartilage). The Teleostei include most familiar fishes, such as perch, salmon, tuna, and goldfish.

Teleostei are a major group of ray-finned bony fishes. They belong to the bony fishes (Osteichthyes) and make up by far the largest and most diverse lineage within the ray-finned fishes (Actinopterygii), with fins supported by many thin bony rays. This sets them apart from jawless fishes (which lack jaws), lobe-finned fishes (which have fleshy, lobed fins), and cartilaginous fishes (which have skeletons made of cartilage). The Teleostei include most familiar fishes, such as perch, salmon, tuna, and goldfish.

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