Semaprochilodus Insignis

Datasheet

General Description

The Flagtail Prochilodus, scientifically known as Semaprochilodus Insignis, is a common and widely distributed shoaling fish in South America, with its native range spanning Ecuador, Peru, Colombia, Guyana, and Brazil. This fish species plays a vital ecological role in its habitat, migrating over long distances in large shoals and feeding primarily on organic detritus. It boasts a distinctive appearance and serves as a visually striking addition to larger fish community tanks.

Aquarium Setup

For optimal care of the Flagtail Prochilodus, a minimum tank size of 540 liters is recommended, allowing ample space for their active behavior. The species is not demanding in terms of tank decor, but a biotope setup mimicking its natural environment is easily achievable. Utilize a river sand substrate, incorporate driftwood branches, and include twisted roots for a more natural setting. While not plant-friendly due to its herbivorous diet, encourage algal growth as the fish feed on it.

Behaviour

In captivity, the Flagtail Prochilodus displays aggression towards its own kind in small numbers but can coexist in groups of six or more in larger tanks. Alternatively, it thrives as a solitary specimen in a community of medium to large fish. Compatible tankmates include various large characins, Loricariids, Doradids, peaceful cichlids, knifefish, arowana, and freshwater stingrays.

Feeding and Diet

Although omnivorous, the Flagtail Prochilodus primarily consumes herbivorous fare. Offer a diet rich in vegetable matter such as blanched spinach, lettuce, cucumber, courgette, algae wafers, and similar items. Additionally, the fish readily accepts high-quality dried foods and small frozen offerings like bloodworms or Daphnia.

Reproduction & Dimorphism

Reproduction of the Flagtail Prochilodus remains unrecorded in the hobby, as the species follows a complex migratory spawning cycle in the wild. Sexing this species can be challenging, with mature females typically exhibiting a rounder belly compared to males. The distinguishable feature between the Flagtail Prochilodus and similar species lies in the fading dark spots on the flanks of juvenile specimens as they mature.

Habitat and Distribution

In its natural habitat, the Flagtail Prochilodus migrates and spawns in river channels but predominantly feeds in floodplains. It can also be found in floodplain lakes and forest streams. The species' distribution encompasses various South American countries including Ecuador, Peru, Colombia, Guyana, and Brazil.