New Pseudancistrus catfish named

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A new plec species in the genus Pseudancistrus has been described from the Corantijn River in Suriname.

Sophie de Chambrier and Juan Montoya-Burgos name the new species Pseudancistrus corantijniensis after its distribution in a recent issue of the journal Zootaxa.

Pseudancistrus corantijniensis can be distinguished from congeners in having a combination of: hypertrophied odontodes that are whitish and almost of the same length along the snout in both males and females when quite young; very small, faint whitish spots densely situated from the snout to the posterior border of the eyes and the anterior border of the cleithrum, becoming abruptly larger, more widely-spaced and more visible on the posterior part of the head; large whitish spots along the body, gradually increasing in size posteriorly; a large whitish spot generally present on each dorso-lateral plate posterior to the pelvic-fins; a trapezoidal cross section in the region posterior to the head and anterior to the dorsal-fin spine; and height of head 7"8 times in standard length.

For more information, see the paper: de Chambrier, S and JI Montoya-Burgos (2008) Pseudancistrus corantijniensis, a new species from the Guyana Shield (Siluriformes: Loricariidae) with a molecular and morphological description of the Pseudancistrus barbatus group. Zootaxa 1918, pp. 45"58.