Oreochromis mweruensis : aquaculture

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Oreochromis mweruensis Trewavas, 1983

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Oreochromis mweruensis
Picture by Turner, G.F.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Trewavas.

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

; süßwasser; brackwasser benthopelagisch; standorttreu. Tropical; 7°S - 12°S

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Africa: Lake Mweru and the swamps and saline lakes in Mweru-wa-Ntipa (Ref. 2), the lower (Ref. 2, 95585) and middle (Ref. 95585) Luapula River system and the Lufira River (upper Congo River basin) in Democratic Republic of the Congo and Zambia (Ref. 2). Introduced in Lake Kivu in Rwanda (Ref. 46152).

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 20.3, range 18 - 22.5 cm
Max length : 23.8 cm SL Männchen/unbestimmt; (Ref. 2)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 15 - 17; Rückenflossenweichstrahlen (insgesamt): 11-14; Afterflossenstacheln 3; Afterflossenweichstrahlen: 9 - 12; Wirbelzahl: 30 - 32. Diagnosis: scales on cheek in 2-3 rows; caudal scales variable, not on the inter-radial membranes except at the base; never stiffening the fin; genital papilla large and tuberculate or scalloped, tasseled in breeding males; generally lighter or darker olive-green; breeding male iridescent dark green to blue-black on head, body and vertical fins; red edge to dorsal and caudal fins (Ref. 2).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Young Oreochromis mweruensis feed on epiphytic filamentous algae in swampy areas (Ref. 2), but also accept small invertebrates and zooplankton, a tendency they lose with age (Ref. 52307). Adults feed on filamentous algae and detritus (Ref. 52307) and bottom deposits, but those that migrated to the deeper northern end feed almost exclusively on plankton (Ref. 2).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Spawns along the banks of lakes/rivers at an average depth of 12 to 13 m. Mating territory largely occupied by a low mound with 6-12 grooves or crests radiating from the small central concave area (star-shaped nest). Males build the star-shaped nests on a sandy substrates.

Hauptreferenz Upload your references | Referenzen | Koordinator : Kullander, Sven O. | Partner

Trewavas, E., 1983. Tilapiine fishes of the genera Sarotherodon, Oreochromis and Danakilia. British Mus. Nat. Hist., London, UK. 583 p. (Ref. 2)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Aquakultur: experimental
FAO - Publication: search | FishSource |

Mehr Information

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Ablaichen
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Eier
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Otoliths
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Tools

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, 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: Gehe zu, Suchen | 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=0.01905 (0.00827 - 0.04391), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (tm=1).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (19 of 100).