Description

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Differs from A. nasutus and A. orthodus by its distinct humeral blotch and intermediate body depth. Sides and belly silvery over pearl white merging to a greenish brown back; in preserved specimens, a gray band runs from the humeral mark to the caudal peduncle which has a jet black rhomboidal mark extending to the tip of the middle caudal rays; transparent fins with minimal dark pigment; usually first rays of anal and sometimes dorsal and caudal fins with red or yellow pigment (Ref. 36880).

Common Names

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Banded tetra , English , Costa Rica

Banded tetra , English , Mexico

Billum , English , Belize

Central tetra , English , Belize

Penjamo tetra , English , Mexico

阿曼德丽脂鲤 , Mandarin Chinese , China

阿曼德麗脂鯉 , Mandarin Chinese , China

Colirroja , Spanish , Costa Rica

Golosa , Spanish , Costa Rica

Pepesca , Spanish , Mexico

Plateada , Spanish , Costa Rica

Sardina , Spanish , Costa Rica

Sardinita de Pénjamo , Spanish , Mexico

Taxonomic Hierarchy

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Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Characiformes

Family: Characidae

Genus: Astyanax

Species: Astyanax aeneus (Günther, 1860)

Climate Zone

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Tropical

Location

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Central America: lower Rio Papaloapan and Colima, Mexico south to some places in Central America (Ref. 30499), extending to the Rio Cocle del Norte and Rio Tabasara in Panama (Ref. 36880).

Biology

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Inhabits all types of rivers and streams, from swift water to swamps and stagnant pools (Ref. 36880). Tolerates brackish water at sea level to small mountain brooks at 1000 m elevation (Ref. 36880). Forms schools over any type of substrate (Ref. 36880). Feeds on algae, seeds, leaves, aquatic and terrestrial insects and fish fry of any species (Ref. 36880). Spawns during most of the year at some sites or seasonally in other places (Ref. 36880).

Habitat

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brackish