Ogcocephalidae is a family of anglerfish specifically adapted for a benthic lifestyle of crawling about on the seafloor. Ogcocephalid anglerfish are sometimes referred to as batfishes, deep-sea batfishes, handfishes, and seabats. They are found in tropical and subtropical oceans worldwide. They are mostly found at depths between 200 and 3,000 m, but have been recorded as deep as 4,000 m (13,000 ft). A few species live in much shallower coastal waters and, exceptionally, may enter river estuaries.
Chaunax, variously known as coffinfishes, gapers or frogmouths, is a genus of marine ray-finned fishes, it is one of two genera belonging to the family Chaunacidae, the sea toads. They are found in tropical and subtropical oceans around the world typically in deep water.
Halieutopsis is a genus of marine ray-finned fishes beloning to the family Ogcocephalidae, the deep sea batfishes. The species in this genus are found in the Indian and Pacific Oceans.
Malthopsis, the gnome batfishes or triangular batfishes, is a genus of marine ray-finned fishes belonging to the family Ogcocephalidae, the deep sea batfishes. The triangular batfishes are distributed throughout the warmer waters of the world, although they are absent from the Eastern Atlantic Ocean. The genus was originally proposed in 1891 by the British naturalist Alfred W. Alcock.
Dibranchus is a genus of marine ray-finned fishes belonging to the family Ogcocephalidae, the deep sea batfishes. The fishes in this genus are widely distributed in the Atlantic, Indian and Pacific Oceans.
Protoblepharon is a genus of flashlight fishes known from the Pacific Ocean from around the Cook Islands (P. rosenblatti) and off of eastern Taiwan (P. mccoskeri).
The furry coffinfish, also sometimes referred to the coffinfish, is a species of marine ray-finned fish belonging to the family Chaunacidae, the sea toads. It is found in salty temperate waters of southwestern Pacific, off east coast of Australia.
McCosker's worm eel is a species of fish in the worm eel family Ophichthidae. It was first described by Yusuke Hibino, Ho Hsuan-Ching, and Seishi Kimura in 2012. It is a marine, deep water-dwelling eel which is known from the northwestern Pacific Ocean, including Taiwan and Japan. It dwells at a depth range of 100 to 400 metres, and leads a benthic lifestyle; it is collected by bottom trawlers. Males can reach a maximum total length of 52.2 centimetres (20.6 in).
Protoblepharon rosenblatti, the Cook Islands flashlightfish, is a species of flashlight fish found in the waters surrounding the Cook Islands. It can reach lengths of up to 22.0 cm (9 in) and can be found as deep as 274 m (900 ft).
The Galápagos ghostshark is a chimaera species in the family Chimaeridae, likely endemic to the Galápagos Islands. It was discovered by John E. McCosker in 1995 and described in 2006, scientifically named in honor of McCosker. This chimaera has a brown compressed, elongate body. The holotype and paratype of the species, both juvenile females, had a total length of 38.1 centimetres (15.0 in) and 22.7 centimetres (8.9 in), respectively. It lives in rocky habitats close to the sea floor, in waters about 395–510 metres (1,296–1,673 ft) deep. It is listed as least concern on the IUCN Red List.
Halieutopsis echinoderma, the spiny deepsea batfish, is a species of ray-finned fish belonging to the family Ogcocephalidae, the deep sea batfishes. This fish is found in the Western Pacific Ocean.
Halieutopsis kawaii, Kawai's deepsea batfish, is a species of ray-finned fish belonging to the family Ogcocephalidae, the deep sea batfishes. This fish is found in the Western Pacific Ocean.
Halieutopsis taiwanea, the Taiwan deepsea batfish, is a species of marine ray-finned fish belonging to the family Ogcocephalidae, the deep sea batfishes. This species is found in the northwestern Pacific Ocean off Taiwan.
Halieutopsis murrayi, Murray's deepsea batfish, is a species of ray-finned fish belonging to the family Ogcocephalidae, the deep sea batfishes. This fish is found in the Western Indian Ocean and was first described to science in 2021 from a holotype collected in the 20th century.
Halieutopsis okamurai, Okamura's deepsea batfish, is a little known species of marine ray-finned fish belonging to the family Ogcocephalidae, the deep sea batfishes. This species is found in the northwestern Pacific Ocean, and is known only from a single specimen collected between the Ogasawara Islands and Izu islands in 1968.
Halieutopsis margaretae, Margaret's deepsea batfish, is a species of ray-finned fish belonging to the family Ogcocephalidae, the deep sea batfishes. This fish is found in the Western Pacific Ocean.
Halieutopsis oblonga, the oblong deep-sea batfish, is a species of marine ray-finned fish belonging to the family Ogcocephalidae, the deep sea batfishes. This species is found in the Western Pacific Ocean.
Halieutopsis simula, the fluffy-esca deepsea batfish, is a species of marine ray-finned fish belonging to the family Ogcocephalidae, the deep sea batfishes. This species is found in the Indo-West Pacific region.
Halieutopsis nasuta, the big-nosed deepsea batfish, is a species of ray-finned fish belonging to the family Ogcocephalidae, the deep sea batfishes. This fish is found in the Indian and Pacific Oceans. H. nasuta is classified within the genus Dibranchus by some authorities, but is generally considered to belong in the genus Halieutopsis.
Malthopsis bradburyae, Bradbury's triangular batfish, is a species of marine ray-finned fish belonging to the family Ogcocephalidae, the deep-sea batfishes. This little known species is found in the western Indian Ocean off Tanzania and is named in honour of the American ichthyologist Margaret G. Bradbury.
