Nimbochromis livingstonii

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Nimbochromis livingstonii
Adult male livingstonii.png
An adult male
Nimbochromis livingstonii.gif
A juvenile
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cichliformes
Family: Cichlidae
Genus: Nimbochromis
Species:
N. livingstonii
Binomial name
Nimbochromis livingstonii
(Günther, 1894)
Synonyms
  • Hemichromis livingstoniiGünther, 1894
  • Astatotilapia livingstonii(Günther, 1894)
  • Cyrtocara livingstonii(Günther, 1894)
  • Haplochromis livingstonii(Günther, 1894)
  • Paratilapia livingstonii(Günther, 1894)

Nimbochromis livingstonii, Livingston's cichlid or (locally)[ clarification needed ]kalingono, is a freshwater mouthbrooding cichlid native to Lake Malawi, an African Rift Lake. It is also found in the upper Shire River and Lake Malombe. They are found in inshore areas of the lake over sandy substrates. [2]

Contents

Taxonomy

The fish's unique hunting method gives it its local name, kalingono, which means "sleeper". [3] [4]

The generic name Nimbochromis is a combination of the Latin word nimbus and Greek chromis [2] Thus the genus could be translated as "clouded chromis", alluding to the fish's distinctive dark mottling (or "clouded" pattern) on white base coloration.

The identity of the person honoured in the specific name is not given in Günther's description but it is presumably Dr. David Livingstone (1813-1873) who was the first known European to discover Lake Malawi in 1856, collecting the first specimens of fish from the Lake. [5]

Morphology

The Livingston's cichlid is a laterally compressed fish with a large mouth. The maximum reported length of male fish in the wild is 25 centimetres (9.8 in) TL while females reach 20 centimetres (7.9 in) TL. [2] The colouration is variable but typically mottled brown and white. The dorsal fin may be blue while maintaining an orange to red band and sometimes a white line. Adult males frequently "color up" in response to changing conditions and rapidly change from spotted camouflage to brilliant blues and greens, and may even exhibit a pale golden tone. Breeding males turn a dark blue which almost completely obscures their blotched pattern. The anal fin is usually orange to red. Females are similar, but usually lack the yellow "egg spot" markings on the anal fin. Juveniles display a brown and white spotted pattern.

Diet and feeding behaviour

Wild and Aquarium specimens have been observed to lie on the substrate as if dead, waiting for small fish to come close in search of a meal; the distinctive colouration of this species is said to mimic that of a dead fish, and may aid its disguise. When a suitable target comes into range, the fish quickly lunges at the prey and usually swallows it whole. [6] Wild fish feed primarily on small fish, in particular Lethrinops spp .

Reproduction

Males mate with multiple females; the female incubates up to 100 eggs in her mouth until they hatch and the fry becomes free swimming, [3] much like the Astatotilapia burtoni which is of the same tribe.

Economic importance

Nimbochromis livingstonii is used locally as a food fish and is also collected and traded as an aquarium fish.

See also

Related Research Articles

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References

  1. ↑ Konings, A.; Kazembe, J.; Makocho, P.; Mailosi, A. (2019) [amended version of 2018 assessment]. "Nimbochromis livingstonii". IUCN Red List of Threatened Species . 2019: e.T60910A155045068. doi: 10.2305/IUCN.UK.2018-2.RLTS.T60910A155045068.en .
  2. 1 2 3 Froese, Rainer; Pauly, Daniel (eds.). "Nimbochromis livingstonii". FishBase . April 2013 version.
  3. 1 2 "Nimbochromis livingstonii". Seriously Fish. Retrieved 29 December 2018.
  4. ↑ "ID Play (k) 0:00 / 3:33 Nimbochromis Livingstonii Hunting Behaviour at Lions Cove - Rare Footage - Lake Malawi Cichlids". youtube.com . African Cichlid Hub. Retrieved 12 December 2023.
  5. ↑ Christopher Scharpf & Kenneth J. Lazara (4 December 2018). "Order CICHLIFORMES: Family CICHLIDAE: Subfamily PSEUDOCRENILABRINAE (l-o)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 29 December 2018.
  6. ↑ "Livingstoni Cichlid Livingston's Cichlid, Livingston's Hap, Livingstonii". Animal Web. Retrieved 29 December 2018.
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