The toothless catfish, Anodontiglanis dahli, is a species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of catfish

Catfish

Catfishes are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the heaviest and longest, the Mekong giant catfish from Southeast Asia and the second longest, the wels catfish of Eurasia, to detritivores...

 (order

Order (biology)

In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...

 Siluriformes) of the family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Plotosidae. This fish originates from northern Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, including Fitzroy

Fitzroy River (Western Australia)

The Fitzroy River is located in the West Kimberley region of Western Australia.-Discovery:The Fitzroy River was discovered by the West in 1837 by George Grey in the H.M.S. Beagle. The river was subsequently named by Lt J L Stokes on 26/2/1838 after Captain Robert FitzRoy R.N...

, Daly, East Alligator, Roper

Roper River

The Roper River is one of the largest rivers in the Northern Territory, Australia, extending east for over 500 km to meet the sea in Limmen Bight on the Gulf of Carpentaria. It is navigable for about 145 km, until the tidal limit at Roper Bar, and forms the southern boundary of the region...

, Mitchell

Mitchell River (Queensland)

The Mitchell River is a river in the Far North Queensland region of Australia. The river begins on the Atherton Tableland about northwest of Cairns, and flows about northwest across Cape York Peninsula from Mareeba to the Gulf of Carpentaria....

, and Archer River

Archer River

The Archer River is a major river of the Cape York Peninsula, Far North Queensland, Australia. It rises in the McIlwraith Range, traverses tropical savanna plains and wetlands, flowing through Piccaninny Plains Sanctuary and Mungkan Kandju National Park, and enters the Gulf of Carpentaria on the...

s, in lentic and lotic freshwater

Fresh Water

Fresh Water is the debut album by Australian rock and blues singer Alison McCallum, released in 1972. Rare for an Australian artist at the time, it came in a gatefold sleeve...

 habitats. It grows up to about 40.0 centimetre

Centimetre

A centimetre is a unit of length in the metric system, equal to one hundredth of a metre, which is the SI base unit of length. Centi is the SI prefix for a factor of . Hence a centimetre can be written as or — meaning or respectively...

s (15.7 in

Inch

An inch is the name of a unit of length in a number of different systems, including Imperial units, and United States customary units. There are 36 inches in a yard and 12 inches in a foot...

) TL

Fish measurement

Fish measurement refers to the measuring of the length of individual fish and of various parts of their anatomy. These data are used in many areas of ichthyology, including taxonomy and fisheries biology.-Overall length:...

.

The toothless catfish lives in clear, flowing waters. It has been reported to be solitary, but it also often forms aggregations around log snags or in deeper rock pools. It also occurs in sandy bottoms around the cover of woody debris and in flooded lagoons. This fish feeds on aquatic insect

Insect

Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...

s, mollusks, prawn

Prawn

Prawns are decapod crustaceans of the sub-order Dendrobranchiata. There are 540 extant species, in seven families, and a fossil record extending back to the Devonian...

s, and bottom detritus by thrusting its snout into the sandy bottom. Nothing is specific is known about the breeding biology, but it probably spawns early in the wet season.Has Teeth in the back of its mouth.