Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Tocantins and Amazon River basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 19.0 cm SL male/unsexed; (Ref. 96599); max. published weight: 174.53 g (Ref. 111115)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Vari, R.P., 1989. Systematics of the neotropical characiform genus Psectrogaster Eigenmann and Eigenmann (Pisces: Characiformes). Smithson. Contri. Zool. No. 481, 43 p. (Ref. 34107)
IUCN Red List Status (Ref. 125652)
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01512 - 0.03633), b=2.99 (2.86 - 3.12), in cm total length, based on LWR estimates for species & Subfamily-BS (Ref.
93245).
Trophic level (Ref.
69278): 2.0 ±0.00 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100) .
Climate Vulnerability (Ref.
125649): (0 of 100) .
Nutrients (Ref.
124155): Calcium = 168 [52, 407] mg/100g ; Iron = 1.55 [0.92, 3.03] mg/100g ; Protein = 17.2 [15.2, 19.5] % ; Omega3 = 0.267 [0.108, 0.638] g/100g ; Selenium = 42.1 [18.7, 98.4] μg/100g ; VitaminA = 28.8 [9.3, 87.1] μg/100g ; Zinc = 2.44 [1.60, 3.76] mg/100g (wet weight);