Glossary: operculum
Flap composed of 4 bones that covers, supports and protects the gill opening in many fishes. Also known as gill flap or gill cover.
Flap composed of 4 bones that covers, supports and protects the gill opening in many fishes. Also known as gill flap or gill cover.
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Major Changes in New World Cichlid Taxonomy
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Aphyosemion rectogoense
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