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Maylandia greshakei (Meyer & Förster, 1984)

William's mbuna
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Image of Maylandia greshakei (William\
Maylandia greshakei
Male picture by Zaitsev, O.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Maylandia: In honour of Hans J. Mayland, German ictiologist (Ref. 45335).
Eponymy: Hans-Joachim Mayland (1928–2004) was a German ichthyologist, aquarist, photographer and writer. [...] Alfons Greshake is the former Managing Director (1995) of an aquarium fish importer based in Germany. (Ref. 128868), visit book page.

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

; sötvatten bottenlevande; djupintervall 15 - 35 m. Tropical; 24°C - 26°C (Ref. 2059); 14°S - 15°S

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

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

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 13.4 cm TL hane/ej könsbestämd; (Ref. 5684)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 17 - 18; Mjukstrålar i ryggfenan (totalt) : 8 - 9; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 6 - 7. Gill rakers on first ceratobranchial 8-12; gill rakers on first epibranchial 2-3.

Biologi     Ordlista (t.ex. 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 Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Oviparous (Ref. 205).

Main reference Upload your references | referenser | Koordinator : Kullander, Sven O. | Medarbetare

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: Version 2024-1)

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

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: kommersiell; Akvarium: Kommersiell
FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Födosammansättning
Födointag
Food rations
Predatorer
Ecology
Ekologi
Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans
Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
Spawning aggregations
Ägg
Egg development
Larver
Larvdynamik
Anatomy
Gälyta
Brain
Otolith
Physiology
Body composition
Nutrients
Syreförbrukning
Swimming type
Simhastighet
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetik
Heterozygosity
Ärftlighet
Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.
Outreach
Medarbetare
References
referenser

Verktyg

Special reports

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Internet-källor

AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoological Record

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=0.01445 (0.00674 - 0.03099), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  2.0   ±0.00 se; based on food items.
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Price category (Ref. 80766):   Unknown.