''Pythonichthys'' is a genus of

eels Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...

of the family

Heterenchelyidae The Heterenchelyidae or mud eels are a small family of eels native to the Atlantic, Mediterranean, and eastern Pacific. Heterenchelyids are bottom-dwelling fish adapted to burrowing into soft mud. They have large mouths and no pectoral fin F ...

that occur in tropical waters of the eastern

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

off of

Panama Panama ( , ; es, link=no, Panamá ), officially the Republic of Panama ( es, República de Panamá), is a transcontinental country spanning the southern part of North America and the northern part of South America. It is bordered by Cos ...

and in the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

near the

Caribbean Sea The Caribbean Sea ( es, Mar Caribe; french: Mer des Caraïbes; ht, Lanmè Karayib; jam, Kiaribiyan Sii; nl, Caraïbische Zee; pap, Laman Karibe) is a sea of the Atlantic Ocean in the tropics of the Western Hemisphere. It is bounded by Mexico ...

and the west coast of

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

. It contains the following described species: * '' Pythonichthys asodes''

Rosenblatt Rosenblatt is a surname of German and Jewish origin, meaning "rose leaf". People with this surname include: * Albert Rosenblatt (born 1936), New York Court of Appeals judge * Dana Rosenblatt, known as "Dangerous" (born 1972), American boxer * Elie ...

Rubinoff Rubinoff is a surname. Notable people with the surname include: * David Rubinoff (1897–1986), Russian-American violinist * Ed Rubinoff (born 1935), American tennis player * Jeffrey Rubinoff Jeffrey Rubinoff (October 23, 1945January 24, 2017) w ...

, 1972 (Pacific mud eel) * '' Pythonichthys macrurus'' (

Regan The family name Regan, along with its cognates O'Regan, O Regan, Reagan, and O'Reagan, is an Anglicized form of the Irish surname Ó Riagáin or Ó Ríogáin, from Ua Riagáin. The meaning is likely to have originated in ancient Gaelic ''ri'' ...

, 1912) (Long-tailed short-faced eel) * '' Pythonichthys microphthalmus'' (

, 1912) (Short-tailed short-faced eel) * '' Pythonichthys sanguineus'' Poey, 1868 (no common name)

References

* Eels Heterenchelyidae {{Anguilliformes-stub