Melanorivulus rubroreticulatus Costa, Amorim & Bragança, 2014

Family:  Rivulidae (Rivulines), subfamily: Rivulinae
Max. size:  2.57 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Lower Xingu river, Amazonas river basin in Brazil.
Diagnosis:  Dorsal soft rays (total): 9-9; Anal soft rays: 12-14; Vertebrae: 30-31. Melanorivulus rubroreticulatus is distinguished from all other members of the M. zygonectes group by its color pattern consisting of caudal fin with broad red bars in males, bars often interconnected to form reticulations and and anal-fin base with short red bars contrasting with intense light blue ground color (Ref. 96663).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435)
Threat to humans:  harmless


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