The blue sea catfish (Ariopsis guatemalensis), also known as the widehead sea catfish,[2] is a species of sea catfish in the family Ariidae.[3] It was described by Albert Günther in 1864, originally under the genus Arius.[4] It is found in tropical marine, brackish and freshwater along the Pacific coast in Central America, ranging from Mexico to Panama as well as Nicaragua. It dwells at a depth range of 0 to 20 m (0 to 66 ft). It reaches a maximum total length of 37 cm (15 in).[3]

Blue sea catfish
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Ariidae
Genus: Ariopsis
Species:
A. guatemalensis
Binomial name
Ariopsis guatemalensis
(Günther, 1864)
Synonyms[1]
  • Arius guatemalensis Günther, 1864
  • Galeichthys guatemalensis (Günther, 1864)
  • Hexanematichthys guatemalensis (Günther, 1864)
  • Sciades guatemalensis (Günther, 1864)
  • Tachisurus guatemalensis (Günther, 1864)
  • Arius caerulescens Günther, 1864
  • Galeichthys coerulescens (Günther, 1864)
  • Hexanematichthys coerulescens (Günther, 1864)
  • Tachisurus coerulescens (Günther, 1864)
  • Galeichthys azureus Jordan & Williams, 1895

The blue sea catfish is rated as Least Concern by the IUCN redlist, due to its wide distribution, frequency in some areas, and lack of observed population decline. It is noted, however, that "extensive disturbance" of estuarine areas may pose localized threats to the species.[5]

References edit

  1. ^ Synonyms of Ariopsis guatemalensis at fishbase.org.
  2. ^ Common names of Ariopsis guatemalensis at fishbase.org.
  3. ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2016). "Ariopsis guatemalensis" in FishBase. April 2016 version.
  4. ^ Günther, A. 1864 (10 Dec.) [ref. 1974] Catalogue of the fishes in the British Museum. Catalogue of the Physostomi, containing the families Siluridae, Characinidae, Haplochitonidae, Sternoptychidae, Scopelidae, Stomiatidae in the collection of the British Museum. v. 5: i-xxii + 1-455.
  5. ^ Ariopsis guatemalensis at the IUCN redlist.