Hyalobagrus

Hyalobagrus
Hyalobagrus ornatus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Division: Teleostei
Order: Siluriformes
Family: Bagridae
Genus: Hyalobagrus
H. H. Ng & Kottelat, 1998
Type species
Pseudobagrus ornatus
Duncker 1904

Hyalobagrus is a genus of bagrid catfishes found in Southeast Asia.

Species

There are currently three recognized species in this genus:[1]

Distribution

Hyalobagrus species are distributed in Asia.

Description

These catfish species are small and transparent.[2] The three species can be distinguished by differences in body shape, coloration, and the degree of serrations on the anterior edge of the pectoral fin spine.[3] The three species range from about 3–4.4 centimetres (1.2–1.7 in) SL.[4][5][6]

Hyalobagrus species are sexually dimorphic, males possess a genital papilla, and gravid females are easy to spot since their blue-green eggs are visible through their bellies.[2]

Ecology

These catfish are mid-water swimmers.[2] They are also schooling fish.[3] In their natural habitat, they are almost always found closely associated with submerged vegetation.[3]

In the aquarium

H. flavus and H. ornatus are known to be exported for the aquarium trade.[3][6] H. flavus first appeared in the hobby in the 1980s.[3] They seem to do best in a heavily planted tank with tankmates that will not out compete them for food.[2] They are a peaceful, diurnal community species that accept all kinds of foods.[3] None of these species have been bred in captivity.[2]

References

  1. ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Hyalobagrus". FishBase. December 2011 version.
  2. ^ a b c d e Linder, R. Shane (March 2000). "The Catfishes of Asia Family Bagridae part one" (PDF). Cat Chat. 1 (1). Archived from the original (PDF) on 2007-08-20.
  3. ^ a b c d e f "PlanetCatfish::Catfish of the Month::November 2004". 2005-11-10. Retrieved 2007-06-19.
  4. ^ Froese, Rainer; Pauly, Daniel (eds.). "Hyalobagrus flavus". FishBase. June 2007 version.
  5. ^ Froese, Rainer; Pauly, Daniel (eds.). "Hyalobagrus leiacanthus". FishBase. June 2007 version.
  6. ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Hyalobagrus ornatus". FishBase. June 2007 version.


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