Cat-eLog Right Arrow Callichthyidae Right Arrow Corydoradinae Right Arrow Corydoras(ln8sc4)

  • Corydoras(ln8sc4) arcuatus
Jump to next section Cat-eLog Data Sheet
Scientific Name Corydoras(ln8sc4) arcuatus  Elwin, 1938
Common Names CW036, Super Arcuatus Cory
Buepansermalle (Denmark), Bågpansarmal (Sweden)
Type Locality Amazon River (aquarium specimen).
Etymology This specific epithet refers to its bowed (arcuatus=bowed, as in bent like an archer's bow) colour pattern.
Jump to next section Species Information
Size 70mm or 2.8" SL. Find near, nearer or same sized spp.
Identification The colour pattern forms an even arch (hence the scientific name) of dark stripe from the snout to the lower back. Sometimes the cleithrum will have an iridescent gold or bronze color. Corydoras arcuatus is very similar to Corydoras granti. C. arcuatus can be distinguished by having a longer, straight snout, whereas C. granti has a shorter, more rounded snout. Also, the posterior margin of the pectoral fin spine of C. arcuatus has serrations pointing toward the origin of the spine (toward the body), whereas these serrations point toward the spine tip on C. granti. Finally, when full grown, C. arcuatus is a larger species than C. granti.
General Remarks Corydoras arcuatus is very similar to C. granti , and specimens of C. granti are often sold by pet stores under the name C. arcuatus. A key to the arc-striped corys can be found in the forum HERE.
Jump to next section Habitat Information
Distribution Brazil, Rio Madeira, Humaitá.
Amazon, Middle Amazon (Solimoes), Purus (click on these areas to find other species found there)

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Jump to next section Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Jump to next section Further Information
References Annals and Magazine of Natural History (Series 11) v. 3 (no. 13), pp 126, Pl. 3.
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Last Update 2019 Jul 17 21:21 (species record created: 2004 Jul 11 00:00)