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.
Akysis is the largest genus of catfishes of the family Akysidae.
Kryptopterus is a genus of catfishes belonging to the family Siluridae. They are found in freshwater throughout Southeast Asia. The scientific name comes from Ancient Greek kryptós + ptéryx. It refers to the reduced or even entirely absent dorsal fin of these catfishes.
Bagrichthys is a genus of bagrid catfishes.
Oxydoras is a genus of thorny catfishes native to tropical South America.
Hemibagrus is a genus of catfishes of the family Bagridae.
Pseudacanthicus is a genus of medium to large-sized suckermouth armored catfishes native to South America, where found in the Amazon and Orinoco basins, as well as rivers of the Guianas. They are primarily found in fast-flowing waters, sometimes relatively deep. They are sometimes kept in aquariums.
Pangasius is a genus of medium-large to very large shark catfishes native to fresh water in South and Southeast Asia. The term "pangasius" is sometimes used to specifically refer to the commercially important basa fish, P. bocourti.
Aspredinichthys is a genus of banjo catfishes found in fresh and brackish waters in tropical South America from the Orinoco delta, through the Guianas, to the Amazon delta. Both species are found in lower portions of rivers and in coastal waters of northern South America from Venezuela to northern Brazil where they are benthic fish.
Arius is a genus of catfishes of the family Ariidae. The genus Arius is distributed in brackish and fresh waters of Eastern Africa and south to Southeast Asia.
Nemapteryx nenga or Kata is a sea catfish found in the Arabian Sea, the Bay of Bengal and the Pacific Ocean off of Thailand. It is found in marine as well as brackish waters and reaches a length of 30 cm.
Heterobranchus is a genus of airbreathing catfishes native to Africa. However, H. palaeindicus, the only known extinct species of the genus, was discovered in the Siwalik Hills, India, dating to the Lower Pliocene.
Cephalocassis is a genus of sea catfishes found along the coasts and in rivers and lakes of southern Asia from India to Malaysia. There are currently four described species in this genus.
Hemiarius is a genus of sea catfishes found in the coastal waters, estuaries, and rivers from South Asia through New Guinea and Australia to Oceania. Four described species are in this genus:
Neoarius is a genus of sea catfishes found on and around the island New Guinea and Australia. They are found in marine, brackish waters and fresh waters with several species restricted solely to freshwater rivers. There are currently 10 described species in this genus.
Plicofollis is a genus of sea catfishes found along the coasts of the Indian Ocean from Africa to Australasia with some species ranging up into the Philippines. They occur in marine, brackish and fresh waters. There are currently eight described species in this genus.
The Bleeker's catfish is a species of catfish in the family Ariidae. It was described by Canna Maria Louise Popta in 1900, originally under the genus Arius. It inhabits estuaries and marine coasts near Indonesia. It reaches a maximum standard length of 17 cm (6.7 in).
The Engraved catfish, also called the Engraved sea catfish is a species of catfish in the family Ariidae. It was described by Achille Valenciennes in 1840, originally under the genus Arius. It inhabits marine and brackish waters in Bangladesh, India, Myanmar, Pakistan, Sri Lanka, and Thailand. It reaches a maximum total length of 45 cm (18 in), more commonly reaching a TL of 24 cm (9.4 in).
Nemapteryx macronotacantha is a species of catfish in the family Ariidae. It was described by Pieter Bleeker in 1846, originally under the genus Arius. It inhabits southern and southeastern Asian brackish waters, also occurring in marine and freshwaters. It reaches a maximum total length of 30 cm (12 in).
