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The generic assignment of "Cichlasoma" salvini
By Michi Tobler, 2007.
last updated on 20-Jan-2007
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'C.' salvini (described as Heros salvini Günther, 1862) is a very distinct looking fish occuring on the Atlantic slope from southern México to Guatemala and Belize. Only few ideas on the generic assignment of this species were so far published. Even molecular phylogenies revealed very contradictory results: Some of the 'C.' salvini samples come out as a basal lineage of the genus Thorichthys, some group with A. spilurus in very different branch of the phylogenetic tree (Hulsey, 2003). The paraphyly of 'C.' salvini could be due to problems in the methods (the sequences clustering with A. spilurus were gathered in a different lab).
Is 'C.' salvini a fierce, yellow Thorichthys? The result that 'C.' salvini may in fact be closely related (or even part of) to Thorichthys is supported by further information: Firstly, all species occur in the same biogeographical region. Secondly, 'C.' salvini shares consistent development of eight sensory pores (5 on the mandible) between the tip of the chin and the angle of the opercle with Thorichthys. Concheiro et al. (2007) conclude based on their molecular phylogeny that this species will be assigned to a new yet undescribed genus.
© Copyright 2007 Michi Tobler, all rights reserved
Tobler, Michi. (January 20, 2007). "The generic assignment of "Cichlasoma" salvini". The Cichlid Room Companion. Retrieved on May 26, 2013, from: http://www.cichlidae.com/section.php?id=40.