Ladigesia roloffi, the Sierra Leone dwarf characin, is a species of harmless African tetra that is found in Sierra Leone and Liberia, Africa.[2] L. roloffi is the only member of its genus.[3] The fish was named in honor of German aquarist Erhard Roloff (1903–1980), who collected the type specimen.[4] 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.[5]
| Ladigesia | |
|---|---|
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| A group of Ladigesia roloffi in captivity. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Alestidae |
| Genus: | Ladigesia Géry, 1968 |
| Species: | L. roloffi
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| Binomial name | |
| Ladigesia roloffi Géry, 1968
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Description
editThis 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.[6] It has no anal spines, 16 to 17 anal soft rays and has a incomplete lateral line. It is an elongated fish.[2]
In aquarium
editLadigesia roloffi can be found as an aquarium fish under name jellybean tetra. They prefer soft, acidic water. They will take standard flake food.[7] They are peaceful and lively fish. Their ideal temperature to live in is between 22 and 26 °C (72 and 79 °F).[8]
References
edit- ^ 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.
- ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Ladigesia roloffi". FishBase. April 2013 version.
- ^ "Ladigesia". Integrated Taxonomic Information System.
- ^ 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.
- ^ "Ladigesia roloffi". aquainfo.org. Retrieved 2023-11-15.
- ^ "Ladigesia roloffi • Fish sheet". Fishipedia. Retrieved 2023-11-15.
- ^ "Jelly Bean Tetra – Ladigesia roloffi". Aquaticcommunity.com. 2004–2006. Retrieved 24 June 2013.
- ^ "Jellybean Tetra – Ladigesia roloffi Fish Profile & Care Guide". Aquadiction. 21 September 2021. Retrieved 2023-11-15.
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