| Gigantactis | |
|---|---|
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| Scientific classification | |
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Actinopterygii |
| Order | Lophiiformes |
| Family | Gigantactinidae |
| Genus | Gigantactis |
Gigantactis is a genus of deep sea fish of the family Gigantactinidae. This genus contains about twenty poorly known species found in all oceans, at depths of 1,000-2,500 m. The most striking feature of these fish is extremely enlarged first filament of dorsal fin, called the illicium, with bioluminescent photophore at its end.











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