Example image of eyePlorer eyePlorer map for 'Marine hatchetfish': Actinopterygii Bathyal zone Deep sea Family (biology) Stomiiformes Characiformes Freshwater hatchetfish Teleostei Animal Binomial nomenclature Sternoptyx Suffix Type genus Ancient Greek Latin Thorax Atlantic Ocean Giant hatchetfish Indian Ocean Pacific Ocean Subtropics Tropics Bioluminescence Evolution Photophore Predation Sternoptychidae Anatomical terms of location Fish anatomy Hatchet Genus Polyipnus Pelvis Vertical Scale (zoology) Dorsal fin Species Focus Argyropelecus Silhouette Oxford Latin Dictionary Fishes of the World Half-naked hatchetfish Idrissia Mueller's Pearlside List of chordate orders Neopterygii Hatchetfish Silver hatchetfish Ridgehead