Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Characiformes
(Characins) > Characidae
(Characins) > Incertae sedis
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mithology (Ref. 45335); burgerai: Name for Rafael Burger, a student who enthusiastically collected the new species.
Environment / Climate / Range
Freshwater; benthopelagic. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.4 cm SL male/unsexed; (Ref. 81202)
Morphology | Morphometrics
soft rays: 21 - 22;
Vertebrae: 33. Differs from all other congeners from northeastern Brazilian drainages by having two vertically elongated humeral blotches, a conspicuous and broad dark midlateral stripe (at least on anterior half of body), body highest along vertical slightly behind midlength of pectoral fin, 31-34 lateral-line scales, and two or three teeth on premaxillary outer series. Other characters important to distinguish this species include: anal fin with 21-22 total rays and 18-19 branched rays; dorsal-fin rays ii,9; 3-6 scales on base of anterior anal-fin rays; one or two maxillary teeth; fins homogeneously darkened by chromatophores; absence of red pigmentation on body when alive (Ref. 81202).
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
South America: Rio Almada in Brazil.
Found at altitude of 212 meters in clear water stream, running over rocky and sandy bottom, with very small pools, 20-70 cm deep (Ref. 81202). Stomach contents of two specimens include filamentous algae, fragments of arthropods and vascular plants, and organic debris (Ref. 81202).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Zanata, A.M. and P. Camelier, 2009. Astyanax vermilion and Astyanax burgerai: a new characid fishes (Ostariophysi: Characiformes) from Northeastern Bahia, Brazil. Neotrop. Ichthyol. 7(2):175-184. (Ref. 81202)
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
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00761 - 0.03969), b=2.98 (2.80 - 3.16), based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.8 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .