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Labeotropheus trewavasae Fryer, 1956

Scrapermouth mbuna
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Malawi country information

Common names: Utaka
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from Lake Malawi (Ref. 55967).
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: Snoeks, J. and M. Hanssens, 2004
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: Labeotropheus: Latin, labeo = one who has large lips + Greek, tropaion = defeat, a memorial of a fighting war, trophy; because of their specialized teeth were such an obvious feeding adaptation (Ref. 45335).

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

Freshwater; benthopelagic; pH range: 8.0 - 8.0; dH range: 5 - 12; depth range ? - 15 m (Ref. 89965).   Tropical; 21°C - 24°C (Ref. 1672); 10°S - 15°S

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

Africa: Lake Malawi (Ref. 5652, 5595).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 11.7 cm TL male/unsexed; (Ref. 5652)

Biology     Glossary (e.g. epibenthic)

Scrapes algae off rocks and also takes in small crustaceans and worms (Ref. 7020).

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

Female takes brood into her mouth and takes care of the young.

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

Maréchal, C., 1991. Labeotropheus. p. 207-209. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussles; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5652)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 22 June 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

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

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) |
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World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Fec<1000).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).