Flagtail prochilodus

Semaprochilodus taeniurus

Also known as Flag-tailed prochilodus, Silver prochilodus, Flagtail

FreshwaterFish

Care at a glance

Temperature
73–82°F
23–28°C
pH
5.5–7.5
Adult size
11.8 in
30 cm
Minimum tank
159 gal
600 L
Temperament
Mostly peaceful
Tankmates
With caution
Breeding
No record
Rarity
Rare
Family
Prochilodontidae
Origin
Native to the central and upper Amazon basin in South America.

Overview

The flagtail prochilodus is an active grazer for a large tank with strong flow. It suits a keeper with some experience.

Did you know

Flagtail prochilodus gather in vast shoals in the wild and swim upriver to spawn. Their run is one of the great seasonal migrations of the Amazon.

Caring for the flagtail prochilodus

Flagtail prochilodus need a large tank of at least 159 gal (600 L). Provide strong flow and clean, well-oxygenated water to mimic their river home.

Keep the water at 73 to 82°F (23 to 28°C), with a pH of 5.5 to 7.5. They are constantly busy, working over rocks, wood and glass for algae.

They do best in a small group, since lone fish can be nervy and squabbly. They are mostly peaceful, but choose tank mates with caution.

Good to know

The flagtail prochilodus, Semaprochilodus taeniurus, is a member of the family Prochilodontidae. It has a distinctive fleshy, sucker-like mouth built for rasping algae and detritus from surfaces. Its clearest feature is the boldly striped tail that gives it the flagtail name.

In the wild

The flagtail prochilodus is native to the central and upper Amazon basin. It ranges through large rivers and floodplains, moving into flooded forest with the seasons. It grazes on algae, detritus and the soft film that coats submerged surfaces.

Common questions

What size tank does a flagtail prochilodus need?

A flagtail prochilodus needs at least 159 gal (600 L). It spends most of its time in the middle.

What temperature and pH does a flagtail prochilodus need?

A flagtail prochilodus is comfortable at 73–82°F (23–28°C) with a pH of 5.5–7.5.

What does a flagtail prochilodus eat?

A flagtail prochilodus is a constant grazer, working over rocks, wood and glass in the tank for algae.

How big does a flagtail prochilodus get?

An adult flagtail prochilodus reaches about 11.8 in (30 cm).

Related species