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Knifefishes (Gymnotiformes) | |
 | Catalog / Nature / Life / Animals (Animalia) / Fishes (Pisces) / Ray-finned fishes (Actinopterygii) / Knifefishes (Gymnotiformes) |
| Catalog / Nature / Life / Animals (Animalia) / Fishes (Pisces) / Ray-finned fishes (Actinopterygii) / Ray-finned fishes (Actinopterygii): taxonomy / Knifefishes (Gymnotiformes) |
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| | Hypopomidae [10] |
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Order Summary for Gymnotiformes
Body eel-like (compressed or rounded); pelvic girdle and fins absent; dorsal fin absent; anal fin extremely long (more than 140 rays and extending from near pectoral fin origin to near tip of body) and employed in forward and backward movements; caudal fin absent or greatly reduced. [eng] |
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Gymnotiformes
List of taxa. [eng] |
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Gymnotiformes
List of taxa. [eng] |
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