Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Characiformes
(Characins) > Hemiodontidae
Etymology: Hemiodus: Greek, hemi = half + Greek, odous = teeth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: Rio Trombetas, Amazon basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Morphology | Morphometrics
Distinguished from its congeners by the presence of a horizontally elongated dark spot on the caudal peduncle, and by the absence of any other dark pigmentation pattern on the body. Differs from H. immaculatus, another species without dark pigmentation on the body, by having 25-27 epibranchial and 36-37 ceratobranchial gill rakers on the first branchial arch, and caudal-fin lobes without longitudinal stripes (Ref. 53268).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Langeani, F., 2004. Hemiodus jatuarana, a new species of Hemiodontidae from the rio Trombetas, Amazon basin, Brazil (Teleostei, Characiformes). Zootaxa 546:1-6. (Ref. 53268)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00332 - 0.01813), b=3.12 (2.91 - 3.33), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.7 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .