Firewood catfish

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Firewood catfish
File:Firewood catfish.jpg
Not evaluated (IUCN 3.1)
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Sorubimichthys

Bleeker, 1862
Species:
S. planiceps
Binomial name
Sorubimichthys planiceps
(Spix & Agassiz, 1829)
Synonyms
  • Sorubim jandia
    Spix, 1829
  • Sorubim Pirauáca
    Spix & Agassiz, 1829
  • Platystoma planiceps
    Spix & Agassiz, 1829
  • Platystoma spatula
    Spix & Agassiz, 1829
  • Sorubimichthys spatula
    (Spix & Agassiz, 1829)
  • Sorubimichthys ortoni
    Gill, 1870
  • Pteroglanis manni
    Eigenmann & Pearson, 1924

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The firewood catfish, Sorubimichthys planiceps, a species of South American pimelodid catfish, is the sole member of the genus Sorubimichthys. Known by locals along the Amazon Basin as peixe-lenha,[1] the firewood catfish is so called because it is of little eating value and is often dried and used for firewood.[2]

Distribution and habitat

Firewood catfish occur in the Orinoco and Amazon Basins.[3] It is normally found in whitewater high in suspended sediments.[4]

Appearance and anatomy

This species attains about 150 cm (59 in) in standard length.[3]

These fish change in appearance as they grow.[5] In adults, the upper jaw is extremely long, about one-third the length of the snout.[5] The dorsum is ash-gray with darker spots. The sides have a white band, bordered below by a dark gray or brown band. The venter is usually white with some large spots. The dorsal fin and adipose fin are spotted.[5] However, in juveniles, the snout is short and the pectoral fins are large and rounded. The white band does not appear until the fish is about 40 0m (1.6 in).[clarification needed] The full adult color pattern and fin shapes appear by at least 20 cm (8 in).[5]

Ecology

This fish is mainly nocturnal.[3] Firewood catfish are highly predatory and feed on other fish.[4]

References

  1. The Catfish Connection-Ronaldo Barthem and Michael Goulding pg. 38
  2. Sorubimichthys planiceps (Spix & Agassiz, 1829)
  3. 3.0 3.1 3.2 Froese, Rainer and Pauly, Daniel, eds. (2012). "Sorubimichthys planiceps" in FishBase. February 2012 version.
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