Astyanax serratus Garavello & Sampaio, 2010
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Family:  Characidae (Characins), subfamily: Incertae sedis
Max. size:  12 cm SL (male/unsexed)
Environment:  benthopelagic
Distribution:  South America: Brazil.
Diagnosis:  Dorsal soft rays (total): 8-9; Anal soft rays: 16-20. This species can be distinguished from all its congeners from IguaƧu 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).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 02.12.10
Modified by: Torres, Armi G. - 07.12.10

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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