Classification / Names
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Teleostei (teleosts) >
Characiformes (Characins) >
Stevardiidae (Stevardiids) > Diapominae
Etymology: Knodus: Greek, knodon, -ontos = knife, sword (Ref. 45335); shinahota: Named for its type locality, río Shinahota; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic. Subtropical
South America: Bolivia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.7 cm SL male/unsexed; (Ref. 75798)
Short description
Identification keys | Morphology | Morphometrics
This species can be distinguished from all congeners except K. chapadae and K. geryi by the following characters: 6 rows of scales between the lateral line and the dorsal-fin origin (vs. 4 or 5 rows); differs from K. chapadae by possessing 5 rows of scales between the lateral line and the pelvic-fin origin (vs. 3½ or 4); 38-41 lateral line scales (vs. 36-38); differs from K. geryi by having 5 rows of scales between the lateral line and the pelvic-fin origin (vs. 4); 17-20 branched anal-fin rays (vs. 15-17), and in lacking the 2 symmetric, large, dark, blotches, which are present on the base of the caudal-fin lobes in K. geryi (Ref. 75798).
The are of occurrence, río Shinahota, is a typical Andean piedmont drainage, with medium water velocity; mainly gravel and pebbles substrate; some years the river has an intermittent flow. This riparian forest is degraded and the river polluted by domestic waste (Ref. 75798).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ferreira, K.M. and F.M. Carvajal, 2007. Knodus shinahota (Characiformes: Characidae) a new species from the río Shinahota, río Chapare basin (Mamoré system), Bolivia. Neotrop. Ichthyol. 5(1):31-36. (Ref. 75798)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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