Ariosoma multivertebratum 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 Marquesas Islands, in the eastern central Pacific Ocean. It is known to dwell at a depth range of 300–460 metres. Males can reach a maximum total length of 54.2 centimetres.
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.
Ariosoma sereti 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 Marquesas Islands, in the eastern central Pacific Ocean. It is known to dwell at a depth range of 95–370 metres. Females can reach a maximum total length of 26.5 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.
Acromycter longipectoralis 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 is known to dwell at a depth of 580 metres. Females can reach a total length of 21.7 centimetres.
Bassanago nielseni is an eel in the family Congridae. It was described by Emma Stanislavovna Karmovskaya in 1990, originally under the genus Pseudoxenomystax. It is a marine, deep-water dwelling eel which is known from the central and southern part of the Nazca Ridge, in the southeastern Pacific Ocean. It dwells at a depth range of 160–340 metres. Males can reach a maximum total length of 46.5 centimetres.
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.
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 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.
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.
Congriscus marquesaensis 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 Marquesas Islands, in the eastern central Pacific Ocean. It dwells at a depth range of 391–408 metres. Males can reach a maximum total length of 27.3 centimetres.
The Castle'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 marine, deep water-dwelling eel which is known from Queensland, Australia, in the western central Pacific Ocean. It dwells at a depth range of 131–366 metres. Males can reach a total length of 34.2 centimetres.
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.
Promyllantor adenensis is an eel in the family Congridae. It was described by Wolfgang Klausewitz in 1991, originally under the genus Bathycongrellus. It is a marine, deep water-dwelling eel which is known from the Indo-Western Pacific, including the Gulf of Aden and the Lord Howe Seamount Chain. It is known to dwell at a depth range of 2,227 to 2,325 metres. Males can reach a maximum total length of 51.2 centimetres (20.2 in).
Gavialiceps bertelseni is an eel in the family Muraenesocidae. It was described by Emma Stanislavovna Karmovskaya in 1993. It is a marine, deep water-dwelling eel which is known from the southwestern slope of Madagascar, in the western Indian Ocean. It dwells at a depth range of 670 to 1,200 metres. Males can reach a maximum total length of 84 centimetres (33 in).
The duckbill conger is an eel in the family Muraenesocidae. It was described by Emma Stanislavovna Karmovskaya in 1993. It is a marine, deep water-dwelling eel which is known from the Indo-West Pacific, including northwestern Australia, Java, and Indonesia. It dwells at a depth range of 560–600 metres. Males can reach a maximum total length of 89 centimetres.
Saurenchelys taiwanensis is an eel in the family Nettastomatidae. 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 1,043 to 1,102 metres. Males can reach a maximum total length of 34.2 centimetres (13.5 in).
