Dalophis 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.
The Dana duckbill eel is an eel in the family Derichthyidae. It was described by Johannes Schmidt in 1931. It is a marine, deep water-dwelling eel which is known from throughout the Atlantic, Pacific, and Indian Ocean, including Australia, Brazil, Benin, Bangladesh, Cameroon, Cambodia, China, Ghana, Pakistan, Côte d'Ivoire, Guinea, India, Mozambique, Guinea-Bissau, Indonesia, Liberia, Malaysia, Kenya, Mauritania, Myanmar, Nigeria, Papua New Guinea, Senegal, Sierra Leone, the Philippines, Somalia, South Africa, Tanzania, Sri Lanka, Thailand, Togo, the Hawaiian Islands, USA; Yemen, and Vietnam. Males can reach a maximum total length of 30 centimetres.
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.
Bascanichthys congoensis 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 solely from Pointe Noire, Democratic Republic of Congo, in the eastern Atlantic Ocean. It inhabits bays, where it burrows in mud and sand. Males can reach a maximum total length of 62.3 centimetres.
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.
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 cephalopeltis is an eel in the family Ophichthidae first described by Peiter Bleeker in 1863. It is a tropical, marine eel which is known to inhabit the Eastern Atlantic near the coast of western Africa. It lives in estuaries and rivers, and forms burrows in sand or mud. Males have been recorded to reach a maximum total length of 53.5 centimetres.
The armless snake eel is an eel in the family Ophichthidae. It was described by François Étienne Delaroche in 1809. It is a subtropical, marine eel which is known from the eastern Atlantic Ocean, including Spain, Mauritania, and the Mediterranean. It dwells at a depth range of 20–80 metres, and forms burrows in mud or sand. Males can reach a maximum total length of 150 centimetres.
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 metres. Males are able to reach a total length of 15.3 centimetres.
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 Oriental worm-eel, also known as the Oriental snake eel, the Oriental sand-eel or the finny sand-eel, is an eel in the family Ophichthidae. It was described by John McClelland in 1844, originally under the genus Dalophis. It is a tropical, marine and freshwater-dwelling eel which is known from the Indo-Western Pacific, including Somalia, South Africa, India, Papua New Guinea, Tahiti, French Polynesia, Indonesia, Oman, Palau, New Caledonia, the Philippines, Sri Lanka, Seychelles, and Vanuatu. It dwells at a depth range of 0 to 3 metres, and forms burrows in sand and mud sediments in estuaries, rivers, and inshore turbid waters. Males can reach a maximum total length of 36 centimetres (14 in), but more commonly reach a TL of 25 centimetres (9.8 in).
Mystriophis crosnieri, known commonly as the Spoon-nose eel in the United Kingdom, is an eel in the family Ophichthidae. It was described by Jacques Blache in 1971. It is a marine, tropical eel which is known from the eastern Atlantic Ocean, including Senegal, Angola, and the western Mediterranean. It dwells at a depth range of 75 to 300 metres, and forms burrows in sand and mud sediments on the continental shelf. Males can reach a maximum total length of 96.5 centimetres (38.0 in).
The highfin snake eel (Ophichthus altipennis, also known as the blackfin snake eel or the black-finned snake eel, is an eel in the family Ophichthidae. It was described by Johann Jakob Kaup in 1856, originally under the genus Microdonophis. It is a marine, tropical eel known from the eastern Indian Ocean and northwestern and western central Pacific Ocean, including Australia, French Polynesia, Indonesia, Japan, the Marshall Islands, Malaysia, the Philippines, and Papua New Guinea. It dwells at a depth range of 0 to 40 m, and forms burrows in soft inshore sand sediments. Males can reach a maximum total length of 103 cm.
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).
Jean Cadenat was a French ichthyologist.
