Acrobrycon starnesi Arcila, Vari & Menezes, 2014
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Family:  Characidae (Characins), subfamily: Stevardiinae
Max. size:  7.25 cm SL (male/unsexed)
Environment:  benthopelagic
Distribution:  South America: Río Thyumayu, tributary of the Río Azero, in the western portion of the Amazon basin in Bolivia.
Diagnosis:  Dorsal soft rays (total): 10-10. Acrobrycon starnesi is distinguished from A. ipanquianus by having the following characters: 61-66 perforated lateral-line scales (vs. 51 to 60); 22-26 horizontal scales rows around the caudal peduncle (vs. 19-21); body depth at the dorsal-fin origin 25.8-31.0% of SL (vs. 49.0-51.2%SL); horizontal diameter of the eye 30.4-36.5% HL (vs. 20.2-29.8% HL); and interorbital width 24.6-28.1% of HL (vs. 29.1-40.2% HL). It differs from A. ortii by having 22-26 branched anal-fin rays (vs. 19-21), 61-66 perforated lateral-line scales (vs. 53-58), 22-26 horizontal scales rows around the caudal peduncle (vs. 19-20), body depth at the dorsal-fin origin relative to the least interobital width 70-80% (vs. 90-120%), horizontal eye diameter relative to the least interorbital width 70-80% (vs. 90-110%), and body depth at dorsal-fin origin relative to the anal fin base length 100-120% (vs. 70-90%) (Ref. 94771). Description: Anal-fin rays iv-v,22-26; pectoral-fin rays ii-iii,9-11 (Ref. 94771).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (123251)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 10.02.16

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