Ladigesia

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Ladigesia
Ladigesia roloffi - AquaPorteDoree 06.JPG
A group of Ladigesia roloffi in captivity.
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Alestidae
Genus: Ladigesia
Géry, 1968
Species:
L. roloffi
Binomial name
Ladigesia roloffi
Géry, 1968

Ladigesia is monospecific genus of freshwater ray-finned fish belonging to the family Alestidae, the African tetras. The only species in the genus is Ladigesia roloffi, the Sierra Leone dwarf characin, is a species that is found in Sierra Leone and Liberia, Africa. [2] The fish was named in honor of German aquarist Erhard Roloff (1903–1980), who collected the type specimen. [3] 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. [4]

Contents

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. [5] It has no anal spines, 16 to 17 anal soft rays and has an incomplete lateral line. It is an elongated fish. [2]

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. [6] They are peaceful and lively fish. Their ideal temperature to live in is between 22 and 26 °C (72 and 79 °F). [7]

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. 1 2 Froese, Rainer; Pauly, Daniel (eds.). "Ladigesia roloffi". FishBase . April 2013 version.
  3. ↑ 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.
  4. ↑ "Ladigesia roloffi". aquainfo.org. Retrieved 2023-11-15.
  5. ↑ "Ladigesia roloffi • Fish sheet". Fishipedia. Retrieved 2023-11-15.
  6. ↑ "Jelly Bean Tetra – Ladigesia roloffi". Aquaticcommunity.com. 2004–2006. Retrieved 24 June 2013.
  7. ↑ "Jellybean Tetra – Ladigesia roloffi Fish Profile & Care Guide". Aquadiction. 21 September 2021. Retrieved 2023-11-15.


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