Trigonectes balzanii (Perugia, 1891)
photo by Vermeulen, F.

Family:  Rivulidae (Rivulines), subfamily: Rivulinae
Max. size:  16 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  South America: Paraguay River basin.
Diagnosis:  Dorsal soft rays (total): 9-11; Anal soft rays: 14-17. Having curved mouth cleft; small eyes (the orbital diameter is 7.7-10.0% SL in adult males; adult males have smaller eyes than adult females); large body depth of adults (23.2-26.2% SL); great head (29.2-30.6% SL in juveniles; no adults available) (Ref. 26656).
Biology:  Bottom spawner, 5-7 months incubation. Is easy to maintain in the aquarium (Ref. 27139).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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