Description

Dorsal soft rays (total): 10; Anal soft rays: 21 - 24; Vertebrae: 34. Astyanax macal is distinguished from other congeners in Yucatan, Peten and Belize by having the following characters: predorsal length, 50% SL or shorter (50% or longer in A. altior and A. angustifrons); least depth, 12% SL or less (12% or more in A. altior); origin of anal fin usually without overlap to last dorsal-fin ray (usually overlapping in A. baileyi); double scaly sheath in anal-fin base (vs. single); bifid nuptial tubercles in male (vs. always simple); rostral fontanel, sides convex (vs. usually straight) (Ref. 118583).

Common Names

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Characiformes

Family: Characidae

Genus: Astyanax

Species: Astyanax macal Schmitter-Soto, 2017

Climate Zone

Location

Biology

Life cycle and mating behavior

Habitat

benthopelagic