Bony fishes (Osteichthyes) have homocercal caudal fins and one dorsal fin, while cartilaginous fishes have heterocercal caudal fins and two dorsal fins.
Unterschied zwischen den Flossen von Osteichthyes und Chondrichthyes: 'Schwanzflossen'. Knöchern: homöocercal. Knorpelig: heterocercal. 'Rückenflossen'. Knöchern: 1. Knorpelig: 2.
| Front | Difference bw the fins of Osteichthyes and Chondrichthyes |
|---|---|
| Back | 'Caudal Fins' Bony: homocercal Cartilaginous: heterocercal 'Dorsal Fins' Bony: 1 Cartilaginous: 2 |
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