Fishes of the deep sea Viperfish (Chauliodus species) Depth: 400m to 1km. ... Stoplight loosejaw (Malacosteus niger) Depth: 500m to 1km. ... Footballfish (Himantolophus groenlandicus) ... Black seadevil (Melanocetus johnsonii) ... Rattail, also called grenadier (species in the family Macrouridae) ... Coelacanth (Latimeria chalumnae)