Mystriophis is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:
Uroconger drachi is an eel in the family Congridae. It was described by Jacques Blache and Marie-Louise Bauchot in 1976. It is a marine, tropical eel which is known from a single specimen taken from Pointe Noire, Republic of the Congo, in the eastern Atlantic Ocean. From the holotype it is known to dwell at a depth of 120 metres (390 ft). Males can reach a total length of 41.5 centimetres (16.3 in).
Gorgasia inferomaculata is an eel in the family Congridae. It was described by Jacques Blache in 1977. It is a non-migratory marine, tropical eel which is known from the Gulf of Guinea, in the eastern central Atlantic Ocean.
Pseudomyrophis atlanticus is an eel in the family Ophichthidae. It was described by Jacques Blache in 1975. It is a marine, tropical eel which is known from the eastern Atlantic Ocean, including Senegal and Angola. It dwells at a depth range of 40 to 100 metres, and inhabits the continental shelf, where it forms burrows in sand and mud. Males can reach a maximum total length of 25.9 centimetres (10.2 in).
Bascanichthys ceciliae is an eel in the family Ophichthidae. It was described by Jacques Blache and Jean Cadenat in 1971. It is a tropical, marine eel which is known from the eastern coastal Atlantic Ocean between Senegal and Angola. It inhabits shallow waters where it burrows in sand; the burrows are sometimes exposed during low tide. It can reach a maximum total length of 82.5 centimetres, but more commonly reaches a TL of 60 cm.
Brachysomophis atlanticus is an eel in the family Ophichthidae. It was described by Jacques Blache and Luiz Vieria Caldas Saldanha in 1972. It is a tropical, marine eel which is known from the eastern Atlantic Ocean, including Senegal and the Gulf of Guinea. It inhabits the continental shelf, and makes burrows in sand and mud. Males can reach a maximum total length of 27.3 centimetres.
Brachysomophis longipinnis is an eel in the family Ophichthidae. It was described by John E. McCosker and John Ernest Randall in 2001. It is a marine, temperate water-dwelling eel which is known from a single specimen collected from Taiwan, in the northwestern Pacific Ocean. It is known to dwell at a depth of 50 metres, and is known to reach a total length of 42.1 centimetres.
The turret snake eel is an eel in the family Ophichthidae. It was described by John E. McCosker and John Ernest Randall in 2001. It is a marine, tropical eel which is known from the Indo-Western Pacific, including Indonesia and the Philippines. It dwells at a depth range of 14 to 18 metres, and inhabits sand and reefs. Males can reach a maximum total length of 13.9 centimetres (5.5 in).
Callechelys leucoptera is an eel in the family Ophichthidae. It was described by Jean Cadenat in 1954. It is a tropical, marine eel which is known from the eastern Atlantic Ocean, including Senegal to Côte d'Ivoire. It is known to dwell at a depth of 45 metres. It inhabits shallow waters where it forms burrows in the sand, which are sometimes exposed during low tide. Males can reach a maximum total length of 73 centimetres, but more commonly reach a TL of 50 centimetres.
Dalophis boulengeri is an eel in the family Ophichthidae. It was described by Jacques Blache, Jean Cadenat and Alfred Stauch in 1970. It is a tropical, marine eel which is known from the eastern central and southeastern Atlantic Ocean, including Angola, Benin, the Democratic Republic of the Congo, Cameroon, Côte d'Ivoire, Equatorial Guinea, Guinea, Guinea-Bissau, Ghana, Gabon, Gambia, Liberia, Mauritania, Nigeria, Sierra Leone, Senegal, and Togo. It is active at night, and inhabits burrows during the daytime, leaving its head exposed. Males can reach a maximum total length of 57.4 centimetres, but more commonly reach a TL of 47.5 cm.
Dalophis multidentatus is an eel in the family Ophichthidae. It was described by Jacques Blache and Marie-Louise Bauchot in 1972. It is known from a single specimen collected from the Saloum River in Senegal, in the eastern Atlantic Ocean. It is known through this specimen to form burrows in sand or mud on the continental shelf, and to dwell at a depth of 50 m (160 ft). Males are able to reach a total length of 15.3 cm (6.0 in).
Dalophis obtusirostris is an eel in the family Ophichthidae. It was described by Jacques Blache and Marie-Louise Bauchot in 1972. It is a tropical, marine eel which is known from the eastern Atlantic Ocean, including Mauritania and Senegal. It inhabits estuaries and forms burrows in sand or mud. Males can reach a maximum total length of 38.8 centimetres.
The Pacific spoon-nose eel is an eel in the family Ophichthidae. It was described by José Luis Castro-Aguirre and Sergio Suárez de los Cobos in 1983, originally under the genus Notophtophis. It is a marine, tropical eel which is known from the eastern central and southeastern Pacific Ocean, including the Gulf of California, Colombia, Mexico, Costa Rica, Nicaragua, Ecuador and Panama. It dwells at a maximum depth of 10 metres (33 ft), and inhabits sand and mud sediments. Males can reach a maximum total length of 140 centimetres (55 in), but more commonly reach a TL of 60 centimetres (24 in).
Ethadophis epinepheli is an eel in the family Ophichthidae. It was described by Jacques Blache and Marie-Louise Bauchot in 1972. It is a tropical, marine eel which is known from a single specimen recovered from the stomach of a grouper in Senegal, in the eastern Atlantic Ocean. It is known to reach a total length of 42.4 centimetres.
Hemerorhinus opici is an eel in the family Ophichthidae. It was described by Jacques Blache and Marie-Louise Bauchot in 1972. It is a marine, tropical eel which is known from the eastern Atlantic Ocean, including Senegal and Angola. It inhabits shallow waters near to shore, and forms burrows in sand and mud substrates. Males can reach a maximum total length of 32.5 centimetres (12.8 in).
The leopard eel is an eel in the worm or snake eels family, Ophichthidae. It was described by Achille Valenciennes in 1839, originally under the genus Ophisurus.
The African spoon-nose eel is an eel in the family Ophichthidae. It was described by John Richardson in 1848. It is a tropical, marine eel which is known from the eastern Atlantic Ocean, including Mauritania and Namibia. It is known to dwell at an approximate depth of 40 metres, and inhabits lagoons and coastal waters. It leads a benthic lifestyle, burrowing into sand and mud. Males can reach a maximum total length of 140 centimetres, but more commonly reach a TL of 80 cm.
Ophichthus leonensis is an eel in the family Ophichthidae. It was described by Jacques Blache. It is a marine, deep water-dwelling eel which is known from a single specimen found in the stomach of a fish taken from a depth of 180 metres (590 ft) in Sierra Leone, in the eastern Atlantic Ocean. It is presumed to form burrows in sand or mud, as is common amongst eels. Males are known to reach a total length of 23.2 centimetres (9.1 in).
Phaenomonas longissima, also known as the short-maned sand eel in St. Helena, is an eel in the family Ophichthidae. It was described by Jean Cadenat and Émile Marchal in 1963, originally under the genus Callechelys. It is a marine, tropical eel which is known from the Atlantic Ocean, including Ascension Island, St. Helena, Brazil, Senegal, Ghana, and Cape Verde. It dwells at a depth range of 25 to 35 metres, and forms burrows in sand and mud sediments on the continental shelf. Males can reach a maximum total length of 50 centimetres (20 in).
Xyrias guineensis is an eel in the family Ophichthidae. It was described by Jacques Blache in 1975, originally under the genus Ophisurus. It is a marine, deep water-dwelling eel which is known from Pointe Noire, Congo, in the eastern Atlantic Ocean. It is known to dwell at a depth of 300 metres (980 ft), and inhabits burrows formed in sand and mud sediments on the continental shelf. Males can reach a maximum total length of 63.6 centimetres (25.0 in).
