TAXONOMY
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii (Ray-finned fishes)
Order: Characiformes (Characins)
Family: Prochilodontidae (Flannel-mouth characiforms)

Genus/species: Semaprochilodus taeniurus

 

GENERAL CHARACTERISTICS: Laterally compressed, silvery body. Caudal fin horizontally striped with 6+ black bands, alternating with deep gray bands.  Length to 24 cm (9.5 inches). 

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DISTRIBUTION/HABITAT: Amazon basin and its tributaries
such as the Rio Negro. Migrates and spawns in river channels but feeds mostly in the floodplains.

DIET IN THE WILD: Periphyton (a complex mixture of algae, cyanobacteria, microbes and detritus that is attached to surfaces in most aquatic ecosystems).

CONSERVATION: IUCN Red List Least concern, CITES; Not Evaluated. S. taeniurus is one of the most common fish in the Amazon basin and the most abundant

flagtail prochilodusFllagtail Prochilodus  Semaprochilodus insignis (Prochilodontidae) Flannel-mouthed Characins  IMG_3094

 

REMARKS: Has two stomachs. One filled with mud and likely designed to process and  digest detritus.

 Amazon Flooded Tunnel

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 Encyclopedia of Life  eol.org/pages/1010276/details