Triportheus orinocensis Malabarba, 2004
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 Family:  Triportheidae ()
 Max. size:  13.45 cm SL (male/unsexed)
 Environment:  benthopelagic
 Distribution:  South America: Rio Orinoco basin.
 Diagnosis:  Body deep, with depth at dorsal-fin origin 28.7-37.1% SL and depth at pectoral-fin insertion 32.2-39.3. Distinguished easily from its congeners by the extensive scaling over the caudal and anal fins. Differs from elongate-bodied Triportheus species that have 1 longitudinal scale row between the pectoral-fin insertion and the ventral keel by the presence of 2 longitudinal scale rows between the pectoral-fin insertion and the ventral keel. Differs further from deep-bodied congeners by the combination of the number of hill rakers on the lower limb of the first gill arch (24-28); the number of branched anal-fin rays (28-32); and the number of lateral-line scales (34-39) (Ref. 54769). Description: D. ii,9; A. iii,28-32; P. i,10-13; V. i,6 (Ref. 54769).
 Biology: 
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Torres, Armi G. - 14.09.06
 Modified by: Bailly, Nicolas - 28.11.13

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