''Cathorops nuchalis'', the Orinoco sea catfish, is a species of catfish in the family Ariidae. It was described by Albert Günther in 1864. It is a tropical, fresh and saltwater catfish which occurs between Venezuela and

Guyana Guyana ( or ), officially the Cooperative Republic of Guyana, is a country on the northern mainland of South America. Guyana is an indigenous word which means "Land of Many Waters". The capital city is Georgetown. Guyana is bordered by the ...

. It reaches a

standard length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish m ...

of .

References

Ariidae Fish described in 1864 Taxa named by Albert Günther {{Ariidae-stub