Issue
Redescription and relationships in Weitzman & Malabarba (1999).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: headwaters of the Tietê River basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.1 cm SL male/unsexed; (Ref. 32783); 6.1 cm SL (female)
Dorsal soft rays (total): 11; Anal soft rays: 12 - 13; Vertebrae: 35 - 36. The eyes of S. papilliferus (18.4-26.0% HL) are the smallest of the four species of Spintherobolus; the caudal peduncle length is the longest, being 23.8-24.6% SL in males and 21.3-27.0% SL in females; the anal-fin rays of adult males are not expanded in a sagittal plane; segments of anal-fin rays of adult males are not fused; an anterior extension of the proximal end of the lepidotrichia of the anal-fin rays of males is absent.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Weitzman, S.H. and L.R. Malabarba, 1999. Systematics of Spintherobolus (Teleostei: Characidae: Cheirodontinae) from eastern Brazil. Ichthyol. Explor. Freshwat. 10(1):1-43. (Ref. 32783)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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