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Oreochromis amphimelas (Hilgendorf, 1905)
Life   Vertebrata   Fish   Cichlidae   Oreochromis


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Oreochromis&speciesname=amphimelas ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Oreochromis&speciesname=amphimelas
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https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Oreochromis&speciesname=amphimelas ---> https://fishbase.mnhn.fr/summary/Oreochromis-amphimelas.html
Oreochromis amphimelas, Manyara tilapia
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Oreochromis amphimelas ( Hilgendorf , 1905 )

Manyara tilapia Upload your photos  and  videos
Pictures | Google image Image of Oreochromis amphimelas (Manyara tilapia) Oreochromis amphimelas
Picture by FAO

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

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

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

Freshwater; brackish; benthopelagic. Tropical; 3°N - 5°S

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

Africa: several shallow saline lakes in central Tanzania (Ref. 118630 ), like lakes Manyara, Eyasi, Kitangiri, Singida and Sulungali (Ref. 5166 , 118638 ).

Length at first maturity / Size / Weight / Age

Maturity: L m   ? , range 8 - ? cm
Max length : 28.0 cm SL male/unsexed; (Ref. 4967 )

Short description Morphology | Morphometrics

Dorsal spines (total): 12 - 14; Dorsal soft rays (total): 10-12; Anal spines : 3; Anal soft rays : 8 - 11; Vertebrae : 30 - 32. Diagnosis: Slender bodied tilapia, characterised by its small eye and slender head profile with terminal mouth (Ref. 118638 ); further a narrow preorbital bone and scales of nape, dorsum and belly are very small, the transition from flank to belly scales abrupt, along a curve from base of pectoral fin to vent (Ref. 2 ). The upper profile of the head is nearly horizontal and in specimens larger than 130 mm total length there is a steep rise from the occiput to the dorsal fin; the caudal peduncle is long and dorsal and anal fins do not reach its posterior end when adpressed (Ref. 2 ). Live territorial males have jet black dorsal fins and are black underneath but are pinkish-red on flank and caudal fin; under stress, such as following capture, the flanks darken and the whole fish appear dark grey, apart from the reddish tailfin; females and non-territorial males grey/silver with pale ventral region (Ref. 118638 ).

Biology     Glossary (e.g. epibenthic)

Found in lakes (Ref. 4967 ); small bodied forms are present in Lake Eyasi, Lake Manyara and Lake Sulungali, while large bodied forms can be found in Lake Kitangiri and Lake Singida (Ref. 4967 , 118638 ). It is microphagous (Ref. 54840 ). A maternal mouthbrooder (Ref. 2 , 118638 ). Limited potential as an aquaculture species, it comprises a high proportion of the catch in lakes where it is found (Ref. 118638 ). IUCN conservation status is endangered, due to restricted distribution, drought and overfishing (Ref. 118638 ). There is some indication of hybridization with Oreochromis niloticus and O. esculentus (Ref. 118638 ).

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

A maternal mouthbrooder (Ref. 118638 ). Breeding cycle of about 7 weeks; there is evidence of biparental mouthbrooding (Ref. 2 ).

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

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

IUCN Red List Status (Ref. 130435 )

  Endangered (EN)  (B1ab(i,iii,v)); Date assessed: 31 January 2006

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Countries
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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | 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 , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 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 ). Resilience (Ref. 120179 ):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (24 of 100). Nutrients (Ref. 124155 ):  Calcium = 24.3 [9.2, 128.7] mg/100g; Iron = 1.05 [0.48, 2.47] mg/100g; Protein = 17.3 [15.5, 19.1] %; Omega3 = 0.174 [0.085, 0.377] g/100g; Selenium = 51.6 [24.6, 109.1] μg/100g; VitaminA = 8.8 [1.7, 41.7] μg/100g; Zinc = 1.73 [0.95, 4.05] mg/100g (wet weight);

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Updated: 2024-04-16 03:55:06 gmt
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