Neoceratiidae

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Neoceratiidae (subclass Actinopterygii, order Lophiiformes) A monospecific family (Neoceratias spinifer) of small (6 cm long), deep-sea fish that have a large head, a large mouth, and small eyes. The jaws are equipped with many long and slender teeth. The single dorsal, caudal, and anal fins have a rounded profile, while the pectorals are small. No illicium is present. Females are larger than males; males may form a parasitic relationship with their female sex partners. They are found in all oceans.