Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Characiformes
(Characins) > Characidae
(Characins) > Stevardiinae
Etymology: Diapoma: Greek, dis, dia = through + Greek, poma = cover (Ref. 45335); thauma: The specific name is from the Greek meaning wonder, or marvel with reference to the beauty of the fish when alive.. More on author: Weitzman.
Environment / Climate / Range
Freshwater; benthopelagic. Subtropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm SL male/unsexed; (Ref. 86734)
Morphology | Morphometrics
(total): 10. Readily distinguished from most similar congener Diapoma terofali by having 15-18 gill rakers on the lower limb of first gill arch (vs. 11-13) and 26-33 anal-fin rays (vs. 24-27) (Ref. 86734).
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
South America: tributaries of the rio Jacuí basin in Rio Grande do Sul, Brazil.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Menezes, N.A. and S.H. Weitzman, 2011. A systematic review of Diapoma (Teleostei: Characiformes: Characidae: Stevardiinae: Diapomini) with descriptions of two new species from southern Brazil. Papéis Avulsos de Zoologia 51(5):59-82. (Ref. 86734)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00305 - 0.01976), b=3.18 (2.96 - 3.40), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.0 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .