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Characiformes (Characins) >
Alestidae (African tetras)
Etymology: Phenacogrammus: Greek, phenax, -akos = deceptive + Greek, gramma = letter, signal (Ref. 45335); concolor: Concolor, from the Latin, meaning of the same, or uniform, colour; named in reference to the absence of prominent pattern of black pigmentation along the flanks and caudal peduncle (Ref. 127185).
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical
Africa: Ndzaa River, tributary of Mfimi River, Congo River basin, in Democratic Republic of the Congo (Ref. 127185).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 4.4 cm SL ذكر/ مختلط الجنس; (Ref. 127185)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 9 - 10; شوكة شرجية: 0; أشعه شرجية لينه: 18 - 19; فقرات: 31 - 33. Diagnosis: While no ambiguous morphological autapomorphies have been located to diagnose Phenacogrammus concolor, the species is nonetheless distinguished from all congeners except P. deheyni and P. flexus in the possession of a prominent anterior expansion of the first pleural rib; it is readily differentiated from both in the absence of a dominant pigmentation patterning over the flanks and caudal peduncle; additionally, it differs from P. flexus in a shallower body depth, 24.9% of standard length vs. 27.0%, and in the possession of 7 supraneurals vs. 6 (Ref. 127185).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Stiassny, M.L.J., E. Alter, R.J.C. Monsembula Iyaba and T.L.D. Liyandja, 2021. Two new Phenacogrammus (Characoidei; Alestidae) from the Ndzaa River (Mfimi-Lukenie basin) of central Africa, Democratic Republic of Congo. Am. Mus. Novit. 3980:1-22. (Ref. 127185)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
مستوى غذائي (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
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).
