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Maylandia greshakei (Meyer & Förster, 1984)

William's mbuna
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Maylandia greshakei
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Malawi country information

Common names: Mbuna, Pseudotropheus ice blue
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known only from the Makakola in the southeastern arm of Lake Malawi. Also Ref. 27596. Exported as an aquarium fish (Ref. 5595).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mi.html
National Fisheries Authority: http://isp.msu.edu/AfricanStudies/Plea/mfri.htm
Occurrences: Occurrences Point map
Main Ref: Maréchal, C., 1991
National Database:

Common names from other countries

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Maylandia: In honour of Hans J. Mayland, German ictiologist (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal; depth range 15 - 35 m.   Tropical; 24°C - 26°C (Ref. 2059); 14°S - 15°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: endemic to Makokola in the southeast arm of Lake Malawi.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 13.4 cm TL male/unsexed; (Ref. 5684)

Short description Morphology | Morphometrics

Dorsal spines (total): 17 - 18; Dorsal soft rays (total): 8-9; Anal spines: 3; Anal soft rays: 6 - 7. Gill rakers on first ceratobranchial 8-12; gill rakers on first epibranchial 2-3.

Biology     Glossary (e.g. epibenthic)

Inhabits the rocky biotope of the reefs, where the rocks are permanently covered with a layer of sediment. Feeds mainly from the phytoplankton in the open water. Territorial males feed from the biocover on the rocks (Ref. 5595). Oviparous (Ref. 205).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous (Ref. 205).

Main reference Upload your references | References | Coordinator : Kullander, Sven O. | Collaborators

Stauffer, J.R. Jr., N.J. Bowers, K.A. Kellogg and K.R. McKaye, 1997. A revision of the blue-black Pseudotropheus zebra (Teleostei: Cichlidae) complex from Lake Malawi, Africa, with a description of a new genus and ten new species. Proc. Acad. Nat. Sci. Philad. 148:189-230. (Ref. 27596)

IUCN Red List Status (Ref. 130435)

  Near Threatened (NT) (B1a+2a); Date assessed: 11 June 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: commercial
FAO(Publication : search) | FishSource |

More information

Common names
Synonyms
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Predators
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Reproduction
Maturity
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Fecundity
Eggs
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Morphometrics
Morphology
Larvae
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.0   ±0.00 se; based on food items.
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).