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Ladigesia

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Species of fish

Ladigesia
A group of Ladigesia roloffi in captivity.
Conservation status

Critically Endangered  (IUCN 3.1)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Alestidae
Genus: Ladigesia
Géry, 1968
Species: L. roloffi
Binomial name
Ladigesia roloffi
Géry, 1968

Ladigesia roloffi, the Sierra Leone dwarf characin, is a species of harmless African tetra that is found in Sierra Leone and Liberia, Africa. L. roloffi is the only member of its genus. The fish was named in honor of German aquarist Erhard Roloff (1903–1980), who collected the type specimen. They are a social species generally living in schools at mid depths and surface level fresh water. It lives for five years. Ninety-seven percent of their natural habitat has been lost.

Description

This species measures a length of 3 to 4 centimetres (1.2 to 1.6 in), making it a small fish species. Because of its small size, it is referred to as a "dwarf" animal. It has no anal spines, 16 to 17 anal soft rays and has a incomplete lateral line. It is an elongated fish.

In aquarium

Ladigesia roloffi can be found as an aquarium fish under name jellybean tetra. They prefer soft, acidic water. They will take standard flake food. They are peaceful and lively fish. Their ideal temperature to live in is between 22 and 26 °C (72 and 79 °F).

References

  1. Olaosebikan, B.D.; Lalèyè, P. (2020). "Ladigesia roloffi". IUCN Red List of Threatened Species. 2020: e.T182497A134742311. doi:10.2305/IUCN.UK.2020-2.RLTS.T182497A134742311.en. Retrieved 20 November 2021.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.). "Ladigesia roloffi". FishBase. April 2013 version.
  3. "Ladigesia". Integrated Taxonomic Information System.
  4. Christopher Scharpf & Kenneth J. Lazara (9 March 2024). "Family ALESTIDAE Cockerell 1910 (African Tetras)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 26 June 2024.
  5. "Ladigesia roloffi". aquainfo.org. Retrieved 2023-11-15.
  6. "Ladigesia roloffi • Fish sheet". Fishipedia. Retrieved 2023-11-15.
  7. "Jelly Bean Tetra – Ladigesia roloffi". Aquaticcommunity.com. 2004–2006. Retrieved 24 June 2013.
  8. "Jellybean Tetra – Ladigesia roloffi Fish Profile & Care Guide". Aquadiction. 21 September 2021. Retrieved 2023-11-15.
Taxon identifiers
Ladigesia
Ladigesia roloffi


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