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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); serratus: Name from Latin 'serra, serratilis' for serrae; in allusion to numerous fin hooks on pelvic-fin of males, resembling the profile of a serrae.

Environment / Climate / Range Ecology

Freshwater; benthopelagic. Tropical, preferred ?

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South America: Brazil.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 12.0 cm SL male/unsexed; (Ref. 85756)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 8-9; Anal soft rays: 16 - 20. This species can be distinguished from all its congeners from Iguaçu basin by this set of characters: infraorbital 3 narrow and deep but not in contact with preopercle, leaving a naked area approximately 1/5 of height between border and preopercle; premaxillary external series with 2-5, usually 4 tricuspid teeth; non-symphysial teeth in premaxillary internal series pentacuspid; maxillary with 0-4, usually 2 teeth; humeral spot rounded and dark, frequently with a weak and narrow vertical downward prolongation (Ref. 85756).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Garavello, J.C.I. and F.A.A. Sampaio, 2010. Five new species of genus Astyanax Baird & Girard, 1854 from Rio Iguaçu, Paraná, Brazil (Ostariophysi, Characiformes, Characidae). Brazilian Journal of Biology 70(3):847-865. (Ref. 85756)

IUCN Red List Status (Ref. 109396)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FisheriesWiki |

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01230 (0.00551 - 0.02747), b=3.08 (2.89 - 3.27), 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) .

Entered by Capuli, Estelita Emily

Modified by Torres, Armi G.

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Astyanax serratus Garavello & Sampaio, 2010