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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335); lepidurus: From the Greek "lepis" = scale and "oura" = tail, referring to the densely scaled caudal fin (Ref. 55074).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة; مياه مخلوطة قاعية التغذية و المعيشة. Tropical
Africa: lower Congo River basin in Democratic Republic of the Congo (Ref. 2). Also reported from Angola (Ref. 2, 55074, 74387, 120641), where it probably occurs in the lower Congo River and/or coastal rivers between the lower Congo and Bengo (Ref. 2).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 19.0 cm TL ذكر/ مختلط الجنس; (Ref. 2989)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 15 - 17; الأشعة الظهرية الناعمة (المجموع) : 9 - 12; شوكة شرجية: 3; أشعه شرجية لينه: 8 - 9; فقرات: 28. Diagnosis: mature male with tuberculate genital papilla, some of the tubercles prolonged into filaments (Ref. 2). Caudal fin of adults densely scaled, usually with a reticulate melanin pattern (Ref. 2, 55074). 28 vertebrae; total dorsal rays 24-27; 19-24 lower gill-rakers; in adults snout long, preorbital bone deep and blade of lower pharyngeal 2-2.3 times the median length of the toothed area; outer teeth of jaws bicuspid unless by wearing down of minor cusp (Ref. 2).
Microphagous, using plankton (Ref. 2, 55074). Maternal, ovophilic mouthbrooder (Ref. 52307).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
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)
في خطر (EN) (B1ab(iii)+2ab(iii)); Date assessed: 16 February 2009
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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).
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
