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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 Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> 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 Ecología

; agua dulce demersal; rango de profundidad 15 - 35 m.   Tropical; 24°C - 26°C (Ref. 2059); 14°S - 15°S

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

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

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 13.4 cm TL macho / no sexado; (Ref. 5684)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 17 - 18; Radios blandos dorsales (total) : 8 - 9; Espinas anales: 3; Radios blandos anales: 6 - 7. Gill rakers on first ceratobranchial 8-12; gill rakers on first epibranchial 2-3.

Biología     Glosario (por ej. 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 Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Oviparous (Ref. 205).

Main reference Upload your references | Referencias | Coordinador : Kullander, Sven O. | Colaboradores

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

Pesquerías: comercial; Acuario: Comercial
FAO(Publication : search) | FishSource |

Más información

Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores
Ecology
Ecología
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproducción
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinámica larvaria
Anatomy
Gill areas
Cerebros
Otolitos
Physiology
Body compositions
Nutrients
Oxygen consumptions
Tipo de natación
Swimming speeds
Visual pigment(s)
Sonidos de peces
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genética
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Perfiles de acuicultura
Razas
Ciguatera cases
Stamps, coins, misc.
Outreach
Colaboradores
References
Referencias

Herramientas

Special reports

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Fuentes de Internet

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).
Nivel trófico (Ref. 69278):  2.0   ±0.00 se; based on food items.
Resiliencia (Ref. 120179):  Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Price category (Ref. 80766):   Unknown.