Ariosoma is a genus of marine congrid eels.
Bathycongrus is a genus of eels in the family Congridae.
Ariosoma sazonovi is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 2004. It is a marine, deep water-dwelling eel which is known from the Philippines, in the western Pacific Ocean. It is known to dwell at a depth range of 160–440 metres. Females can reach a maximum total length of 39.5 centimetres.
Chiloconger philippinensis is an eel in the family Congridae. It was described by David G. Smith and Emma Stanislavovna Karmovskaya in 2003. It is a tropical, marine eel which is known from the Philippines, in the western central Pacific Ocean. It dwells at a depth range of 186–230 metres. Females can reach a total length of 19 centimetres.
Parabathymyrus fijiensis is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 2004. It is a marine, deep water-dwelling eel which is known from Fiji, in the western Pacific Ocean. It dwells at a depth range of 478–500 metres. Females can reach a total length of 36 centimetres.
The Bullish conger is an eel in the family Congridae. It was described by David G. Smith and Robert H. Kanazawa in 1977, originally under the genus Rhechias. It is a marine, deep water-dwelling eel which is known from the Gulf of Mexico to the Amazon, in the western Atlantic Ocean. It dwells at a depth range of 366–475 meters. Males can reach a maximum total length of 39.5 centimeters.
The lined conger is an eel in the family Congridae. It was described by Albert Günther in 1887, originally under the genus Congromuraena. It is a marine, deep water-dwelling eel which is known from the western Indian Ocean to the southwestern Pacific Ocean, including Indonesia and Hawaii. It dwells at a depth range of 270–1270 metres.
Bathycongrus longicavis is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 2009. It is a tropical, marine eel which is known from the Pacific Ocean, including Vanuatu and the New Hebrides Trench. It dwells at a depth range of 532–599 metres. Males can reach a maximum total length of 38.6 centimetres.
The Toothy conger is an eel in the family Congridae. It was described by Henry Weed Fowler in 1934, originally under the genus Uranoconger. It is a marine, deep water-dwelling eel which is known from the western Indian and southwestern Pacific Ocean, including the Philippines and Indonesia. It is known to dwell at a depth of 886 metres. Males can reach a maximum total length of 4.3 centimetres.
Bathycongrus parapolyporus is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 2009. It is a tropical, marine eel which is known from the western central Pacific Ocean, including Fiji, Lakeba Island, the South China Sea, and Vietnam. It is known to dwell at a depth of 310 metres. Females can reach a maximum total length of 34.8 centimetres.
Bathycongrus parviporus is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 2011. It is a tropical, marine eel which is known from the South China Sea and central Vietnam.
Bathycongrus polyporus is an eel in the family Congridae. It was described by David G. Smith and Robert H. Kanazawa in 1977, originally under the genus Rhechias. It is a marine, deep water-dwelling eel which is known from the Straits of Florida and the northern coast of Cuba, in the western central Atlantic Ocean. It dwells at a depth range of 439–549 meters. Males can reach a maximum total length of 43 centimeters.
Bathycongrus unimaculatus is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 2009. It is a tropical, marine eel which is known from the southern Loyalty Basin in New Caledonia. It usually dwells at a depth range of 430–450 metres. Males can reach a maximum total length of 28.3 centimetres.
The Longnose conger is an eel in the family Congridae. It was described by Peter Henry John Castle in 1968, originally under the genus Congrina. It is a marine, deep water-dwelling eel which is known from the Indo-Western Pacific, including Mozambique, Natal, South Africa, Japan, the Philippines, and Indonesia. It dwells at a depth range of 250–500 metres. Males can reach a maximum total length of 55 centimetres.
Blachea longicaudalis is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 2004. It is a marine, deep water-dwelling eel which is known from Fiji and New Caledonia, in the western Pacific Ocean. It dwells at a depth range of 400–461 metres. Males can reach a maximum total length of 68.3 centimetres, while females can reach a maximum TL of 57 cm.
Gnathophis grahami, or Graham's conger, is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya and John Richard Paxton in 2000. It is a subtropical, marine eel which is known from New South Wales, Australia, in the southwestern Pacific Ocean. It dwells at a depth range of 50–350 metres.
Gnathophis neocaledoniensis is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 2004. It is a marine, deep water-dwelling eel which is known from New Caledonia, in the western Pacific Ocean. It dwells at a depth range of 520–580 metres. Males can reach a maximum total length of 18.5 centimetres.
Gnathophis parini is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 1990. It is a marine, deep water-dwelling eel which is known from the Sala y Gomez Ridge, in the southeastern Pacific Ocean. It dwells at a depth range of 540–560 metres. The maximum known total length, based on a juvenile specimen, is 13.7 centimetres.
Gnathophis smithi is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 1990. It is a subtropical, marine eel which is known from the Nazca and Sala y Gómez ridges, in the southeastern Pacific Ocean. It dwells at a depth range of 145–250 metres, and leads a nocturnal lifestyle. Males can reach a maximum total length of 41.1 centimetres. The eel's diet includes benthic crustaceans and polychaetes.
Nettenchelys paxtoni is an eel in the family Nettastomatidae. It was described by Emma Stanislavovna Karmovskaya in 1999. It is a marine, tropical eel which is known from Vanuatu, in the western Pacific Ocean. The only known specimen had a total length of 24.8 centimetres (9.8 in), and was recovered from the stomach contents of a sea snake.
