The estuarine sea catfish (''Cathorops aguadulce''), also known as the Aguadulce sea catfish, is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

sea catfish The Ariidae or ariid catfish are a family of catfish that mainly live in marine waters with many freshwater and brackish water species. They are found worldwide in tropical to warm temperate zones. The family includes about 143 species. Fossil ...

in the family

Ariidae The Ariidae or ariid catfish are a family (taxonomy), family of catfish that mainly live in Marine (ocean), marine waters with many freshwater and brackish water species. They are found worldwide in tropical to warm temperate zones. The family i ...

. It was described by

Seth Eugene Meek Seth Eugene Meek (April 1, 1859, Hicksville, Ohio – July 6, 1914, Chicago) was an American ichthyologist at the Field Museum of Natural History in Chicago. He was the first compiler of a book on Mexican freshwater fishes. Together with his ass ...

in 1904, originally under the genus ''

Galeichthys ''Galeichthys'' is a genus of sea catfishes in the family Ariidae, the only genus in the subfamily Galeichthyinae. It includes four predominantly marine species distributed in Southern Africa and northwestern South America: * '' Galeichthys ater ...

''.Meek, S. E. 1904 (23 Sept.) ef. 2958''The fresh-water fishes of Mexico north of the isthmus of Tehuantepec.'' Field Columbian Museum, Zoological Series v. 5: i-lxiii + 1-252, Pls. 1-17. It is a tropical fish which is known from

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...

, where it typically inhabits freshwater rivers,

lagoon A lagoon is a shallow body of water separated from a larger body of water by a narrow landform, such as reefs, barrier islands, barrier peninsulas, or isthmuses. Lagoons are commonly divided into ''coastal lagoons'' (or ''barrier lagoons'') an ...

s, and

drainage Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess water. The internal drainage of most agricultural soils can prevent severe waterlogging (anaerobic conditions that harm root gro ...

s, also sometimes dwelling in marine waters. It reaches a maximum

standard length Fish measurement is the measuring of individual fish and various parts of fish anatomy, their anatomies, for data used in many areas of ichthyology, including Taxonomy (biology), taxonomy and fishery biology. Overall length Standard length (SL) is ...

of .

References

Ariidae Fish described in 1904 Taxa named by Seth Eugene Meek {{Ariidae-stub