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All species in the genus Archcentrus with a wider distrubution show a considerable amount of geographic variation in terms of body shape as well as coloration (especially A. nigrofasciatus and A. spilurus). Geographic variation in these species, however, is poorly studied and it is not known at all, how different environmental characteristics (lacustrine vs. riverine habitats, clear vs. turbid water, high vs. low predation) might account for this variation. Further taxonomic studies are needed to reveal if some very distinct geographic variants are in fact separate species.

Archocentrus sp. "Lago Yojoa"

Fish collected in the Lago Yojoa (Honduras) and apparently related to A. spilurus were repeatedly named A. sp. "Lago Yojoá" or A. sp. "Yojoa". These population was also named A. cutteri , which is currently considered as a synonym of A. spilurus. It needs to be clarified if a) the A. spilurus from Honduras are a distinct species which would justify the regocnition of A. cutteri as a valid name and b) if the fish from the Lago Yojoá are indeed identical with the form that can be found in the Rio Lancetilla (type locality of C. cutteri). Until then, the fish of the Lago Yojoá should be considered as geographical variant of A. spilurus.

References:

• Wessel, Rusty. 2006. "The Honduran Red Point: A beautiful blue convict-type species from Honduras". Tropical Fish Hobbyist Magazine. v. 54 (11) pp. 104-106 (crc01301).

© Copyright 2006 Michi Tobler, all rights reserved

Citation:

Tobler, Michi. (July 07, 2006). "Potentially undescribed species of the genus Archocentrus". The Cichlid Room Companion. Retrieved on May 18, 2013, from: http://www.cichlidae.com/section.php?id=35.