Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Achiridae
Etymology: Trinectes: Greek, tres, tria, = three + Greek, nekton = swimmer (Ref. 45335).
Environment / Climate / Range
Marine; freshwater; brackish; demersal; amphidromous (Ref. 9047). Tropical; 9°N -
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm male/unsexed; (Ref. 36798)
Eastern Pacific: Costa Rica to Peru; enters freshwater.
A rare species (Ref. 9047). Enters freshwater (Ref. 36798). Maximum length reported to reach 15 cm TL (Ref. 9047).
Ramos, R.T.C., 2003. Achiridae (American soles). p. 666-669. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01510 (0.00682 - 0.03341), b=3.06 (2.87 - 3.25), based on LWR estimates for this Subfamily-BS (Ref. 93245
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (24 of 100) .