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Oreochromis niloticus  (Linnaeus, 1758)

Nile tilapia
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Native range | All suitable habitat
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Oreochromis niloticus   AquaMaps   Data sources: GBIF OBIS
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Oreochromis niloticus
Picture by Stiassny, M.L.J.


Mali country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: commercial | Ref: FAO, 1992
Aquaculture: commercial | Ref: FAO Fishery Information, Data and Statistics Service, 1993
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from the upper and middle Niger basin, and the upper Senegal (Ref. 53405). Also Ref. 2.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/ml.html
National Fisheries Authority: https://www.orleans.ird.fr/~pechedcn/
Occurrences: Occurrences Point map
Main Ref: Teugels, G.G. and D.F.E. Thys van den Audenaerde, 2003
National Database:

Classification / Names

ऐकटीनोप्टीरेजी (रेज़-फिन्नढ मछलियाँ) > Perciformes (Perch-likes) > Cichlidae (Cichlids) > Pseudocrenilabrinae
आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL

Main reference

आकार / वज़न / Age

Max length : 60.0 cm SL पुल्लिंग / अलिंग; (Ref. 4967); अधिकतम प्रकाशित वज़न: 4.3 kg (Ref. 40637); अधिकतम सूचित उम्र: 9 वर्षो (Ref. 164)

Length at first maturity
Lm 18.6, range 6 - 28 cm

पर्यावरण

; स्वच्छ जल, अलवण जल; खारा बेनथोपिलाजिक; पोटामोड़िरोमस (Ref. 51243); गहराई सीमा 0 - 20 m (Ref. 32849), usually ? - 20 m (Ref. 34290)

जलवायु / सीमा

Tropical; 14°C - 33°C (Ref. 3), preferred ?; 32°N - 5°S, 17°W - 38°E

वितरण

Africa: naturally occurring in coastal rivers of Israel (Ref. 5166), Nile basin (including lake Albert, Edward and Tana), Jebel Marra, Lake Kivu, Lake Tanganyika, Awash River, various Ethiopian lakes, Omo River system, Lake Turkana, Suguta River and Lake Baringo (Ref. 2). In West Africa natural distribution covers the basins of the Senegal, Gambia, Volta, Niger, Benue and Chad, with introduced specimens reported from various coastal basins (Ref. 53405). Widely introduced for aquaculture, with many existing strains. Several countries report adverse ecological impact after introduction. The following subspecies were previously recognized: Oreochromis niloticus baringoensis, Oreochromis niloticus cancellatus, Oreochromis niloticus eduardianus, Oreochromis niloticus filoa, Oreochromis niloticus niloticus, Oreochromis niloticus sugutae, Oreohromis niloticus tana and Oreohromis niloticus vulcani.
देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | भूमिका

Short description

पृष्ठीय रीढ़ (सम्पूर्ण): 15 - 18; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 11-13; गुदा कांटा 3; ऐनल सौफट रेज़: 9 - 11; जानवरों की रीड़ का जोड़: 30 - 32. Diagnosis: jaws of mature male not greatly enlarged (length of lower jaw 29-37 % of head length); genital papilla of breeding male not tassellated (Ref. 2). Most distinguishing characteristic is the presence of regular vertical stripes throughout depth of caudal fin (Ref. 4967, 53405).

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ epibenthic)

Occur in a wide variety of freshwater habitats like rivers, lakes, sewage canals and irrigation channels (Ref. 28714). Mainly diurnal. Feed mainly on phytoplankton or benthic algae. Oviparous (Ref. 205). Mouthbrooding by females (Ref. 2). Extended temperature range 8-42 °C, natural temperature range 13.5 - 33 °C (Ref. 3). Maximum depth from Ref. 34290. Marketed fresh and frozen (Ref. 9987).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Potential pest



Human uses

मात्स्यिकी: उच्च वाणिज्य; जलीयकृषि: व्यापारिक

साधन

Special reports

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इंटरनेट स्रोत

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
2.0   ±0.0 se; Based on diet studies.

लौटाव (Ref. 69278)
माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (K=0.14-0.41; tm=1-2; tmax=9; Fec < 1,000)

Vulnerability (Ref. 59153)
Low to moderate vulnerability (30 of 100)
Price category (Ref. 80766)
Unknown