what are the two main classes into which fishes
What are the two main classes into which fishes are divided?
Fishes are separated into two main classes: chondrichthyes, fishes with cartilaginous skeletons (sharks, rays, dog-fishes), and osteichthyes, bony fishes (tuna, sardines, salmons).
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what are the two main classes into which fishes are dividedfishes are separated into two main classes chondrichthyes fishes with cartilaginous
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