Hypophthalmus edentatus

The Highwaterman catfish (Hypophthalmus edentatus), is a species of pelagic potamodromous catfish of the family Pimelodidae that is native to Guyana, Suriname, Venezuela, northern Brazil and Gulf of Paria.[1]

Hypophthalmus edentatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Pimelodidae
Genus: Hypophthalmus
Species:
H. edentatus
Binomial name
Hypophthalmus edentatus
Spix & Agassiz, 1829

Description

It grows to a length of 57.5 cm.[2] It has no teeth but possesses many long gill rakers and three long barbels.[3] Body elongated with less depressed head. Caudal fin triangular. Lateral line complete and scales absent on skin. Dorsum light grey with steely blue cast. Ventral sides yellowish and whitish below. Barbels light grey.[4]

Distribution

It inhabits Amazon and Orinoco River basins and Atlantic coastal rivers of Guyana and Suriname. It is also found in Paraná River.[3]

Ecology

It lives in soft muddy bottoms and are filter feeders. It feeds on crustaceans like debris, cladocerans, copepods and ostracods.[3] Expected life span in aquarium is 16-17 years.[5]

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gollark: Benchmarking `tput setaf 2` vs Rust's `term` library...
gollark: <@116952546664382473>
gollark: How do I use tput to set colors? I need this for the benchmarking.
gollark: I'm setting up the benchmarking. Please wait.

References
  1. "Duopalatinus peruanus Eigenmann & Allen, 1942". ScotCat. Retrieved 2020-06-06.
  2. "Cat-eLog Pimelodidae - Duopalatinus". Planet Catfish. Retrieved 2020-06-06.
  3. Froese, Rainer and Pauly, Daniel, eds. (2020). "Hypophthalmus edentatus" in FishBase. June 2020 version.
  4. "Species: Hypophthalmus edentatus, Highwaterman catfish". Smithsonian Tropical Research Institute. Retrieved 2020-06-06.
  5. "Highwaterman catfish - Hypophthalmus edentatus". Aqua-Fish.Net. Retrieved 2020-06-06.
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