Nettastomatidae, the duckbill eels or witch eels are a family of eels. The name is from νῆττα and στόμα.
Eels are ray-finned fish belonging to the order Anguilliformes, which consists of eight suborders, 20 families, 164 genera, and about 1000 species. Eels undergo considerable development from the early larval stage to the eventual adult stage and are usually predators.
Serrivomer is a genus of deep-sea eel in the family Serrivomeridae. It contains nine described species. Member species are distributed widely, being found in the Atlantic, Pacific and Indian Oceans. The smallest species in this genus is Serrivomer jesperseni, which has a maximum length of 40.6 cm (16 in) the largest species in this genus is Serrivomer beanii with a maximum length of 78 cm (31 in). Most members reach a maximum length of 60–70 cm (24–28 in).
Notacanthus is a genus of spiny eels in the family Notacanthidae.
Bathycongrus is a genus of eels in the family Congridae.
Chiloconger is a genus of eels in the family Congridae.
Paraconger is a genus of eels in the family Congridae. It currently contains the following species:
Facciolella is a genus of eels in the duckbill eel family Nettastomatidae.
Hoplunnis is a genus of eels in the duckbill eel family Nettastomatidae. It currently contains the following species:
Avocettina is a genus of eels in the snipe-eel family Nemichthyidae. It currently contains the following species:
Sciadonus is a genus of blind cusk eels.
Dicrolene is a genus of cusk-eels.
Holcomycteronus is a genus of cusk-eels. It includes Holcomycteronus profundissimus, long thought to be the deepest-living fish in the world's oceans.
Porogadus is a genus of cusk-eels.
Hoplunnis sicarius is an eel in the family Nettastomatidae. It was described by Samuel Garman in 1899, originally under the genus Atopichthys. It is a marine, tropical eel which is known from the eastern central Pacific Ocean, including Mazatlan, Mexico, and Panama. It is known to dwell at a depth of 1,431 metres (4,695 ft), and inhabits substrates. Unlike many eel species, it does not form burrows.
Venefica multiporosa is a species of eel in the family Nettastomatidae. It was described by Christine Karrer in 1983. It is a marine, deep water-dwelling eel which is known from the Indo-western Pacific, including Madagascar, Australia and the Philippines. It dwells at a depth range of 416 to 1,300 metres. Males can reach a maximum total length of 70 centimetres (28 in).
Venefica ocella is an eel in the family Nettastomatidae. It was described by Samuel Garman in 1899. It is a marine, deep water-dwelling eel which is known from the eastern Pacific Ocean. It is known to dwell at a depth of 1,953 metres (6,407 ft).
The whipsnout sorcerer is an eel in the family Nettastomatidae. It was described by Léon Vaillant in 1888, originally under the genus Nettastoma. It is a marine, deep water-dwelling eel which is known from tropical, subtropical and temperate areas throughout the world. It dwells at a depth range of 385 to 2,200 metres, and inhabits the lower region of the continental slope. Males can reach a maximum total length of 100 centimetres (39 in).
Venefica procera is an eel in the family Nettastomatidae. It was described by George Brown Goode and Tarleton Hoffman Bean in 1883, originally under the genus Nettastoma. It is a marine, deep water-dwelling eel which is known from the western central Atlantic Ocean, including North Carolina, USA, Suriname, the Gulf of Mexico and the Caribbean Sea. It dwells at a depth range of 326 to 2,304 meters. Males can reach a maximum total length of 109 centimeters (43 in).
Venefica tentaculata is an eel in the family Nettastomatidae. It was described by Samuel Garman in 1899. It is a marine, subtropical eel which is known from the eastern central and northwestern Pacific Ocean, including Mexico, Nicaragua, Japan, and the United States. It dwells at a depth range of 100 to 500 metres, but may dive even deeper. Males can reach a maximum total length of 90 centimetres (35 in).
