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Biology of Fishes
Operculum
Operculum definition: The hard flap that covers and protects a fish’s gills.
Related Terms
Bony Fishes
Cartilage
Cartilaginous Fishes
Caudal Fin
Dorsal
Dorsal Fin
Lateral Line System
Pectoral Fin
Spiracle In Fish
Swim Bladder
Ventral
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