Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Stichonodontinae
Etymology: petymbuaba: The specific name petymbuaba, meaning smoking pipe; cachimbo in Portuguese, comes from the Tupi language and it is an allusion to the type locality of the species.
Eponymy: Dr William J Moenkhaus (1871–1947) was an American geneticist and ichthyologist who became Professor of Physiology at Indiana University Medical School (1904–1941), where he was Eigenmann’s colleague. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Rio Xingu basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.6 cm SL male/unsexed; (Ref. 56956)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 10 - 11; Vertebrae: 34 - 37. Distinguished from all its congeners and all remaining characid fishes by the presence of a broad, well-defined dark longitudinal stripe and longitudinal series of dark blotches along the dorsal and lateral surfaces of body (more developed above the longitudinal dark stripe) (Ref. 56956).
Body shape (shape guide): short and / or deep.
Found in a waterfall pool (Ref. 56956).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lima, F.C.T. and J.L.O. Birindelli, 2006. Moenkhausia petymbuaba, a new species of characid from the Serra do Cachimbo, Rio Xingu basin, Brazil (Characiformes: Characidae). Ichthyol. Explor. Freshwat. 17(1):53-58. (Ref. 56956)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00522 - 0.02900), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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