Abramites eques
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Anostomidae
Genus: Abramites
Species:
A. eques
Binomial name
Abramites eques
(Steindachner, 1878)

Abramites eques, also known as headstander, picúo, or sardina, small teleost fish and is a member of the family Anostomidae of the order Characiformes.[2] This South American species, like Abramites hypselonotus, adopts a head-down swimming posture due to its distinct feeding habit, which is a direct result of the locals that it frequents.

Description

Mature females tend to be plumper than the males.[3]

Geographical distribution and Habitat

This fish inhabits the Magdalena River basin in Colombia. Like its relative, Abramites hypselonotus, the picúo generally inhabits shallow, fast-moving rivers and streams, and refers rocky bottoms.

Aquarium care

If any plants are added to an aquarium with the picúo, the fish will likely eat them. Hardy plants like the Java fern should survive, but the addition delicate species should be avoided. Branches or roots should be added to the tank to provide hiding places for the fish and soft, acidic water should be provided. They can be an aggressive species so only keep with tank mates that can look after themselves. During mating, this species forms distinct pairs and these pairs prefer to breed in dense patches of quartic weeds.[4]

Feeding

A vegetable diet is best suited for the picúo. Algae wafers, pellets and high-quality flake food can be given. Spinach and peas will also benefit the picúo.[3]

Relationship with humans

Given its preference for shallow streams and rivers, this species' range is very fragmented.[1] While it has been assessed to the level of Least Concern by the IUCN, a number of threats to wild picúos still exist such as mining and quarrying, deforestation in its home watershed, and dredging of waterways.[1] In captivity, this species is primarily used as an ornamental fish in the aquarium trade.[1]

References

  1. 1 2 3 4 Mesa-Salazar, L.; Sanchez-Duarte, P. & Lasso, C. (2016). "Abramites eques". IUCN Red List of Threatened Species. 2016: e.T61660294A61660308. doi:10.2305/IUCN.UK.2016-1.RLTS.T61660294A61660308.en. Retrieved 24 December 2023.
  2. ↑ "Abramites eques (Steindachner, 1878)". Discover Life. Archived from the original on 2017-02-04. Retrieved 2022-08-25.
  3. 1 2 "A page devoted to caring for Abramites eques".
  4. ↑ Breder, C.M. and D.E. Rosen, 1966. Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
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