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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Ctenopharynx: Greek, kteis, ktenos = comb + Greek, pharyngx = pharynx (Ref. 45335); intermedius: From the Latin "intermedius" = intermediate, probably referring to the fact that, according to Günther (1864) "this species connects Chromis and Hemichromis" (Ref. 55925).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة; نطاق العمق 3 - 60 m (Ref. 55925). Tropical; 12°S - 17°S
Africa: southern Lake Malawi and upper Shire River.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 15.5 range ? - ? cm
Max length : 21.0 cm TL ذكر/ مختلط الجنس; (Ref. 5595); 16.0 cm TL (female)
الأشواك الظهرية (المجموع) : 14 - 17; الأشعة الظهرية الناعمة (المجموع) : 10 - 13; شوكة شرجية: 3; أشعه شرجية لينه: 9 - 11. Diagnosis: high number of gill-rakers on lower part of outer gill arch (36-39); short head, 32.3-35.8% of standard length; relatively anterior implantation of dorsal, pectoral and pelvic fins; short premaxillary pedicel, 30.4-33.6% head length (Ref. 55925).
Found in sediment-rich areas (Ref. 5595) of the rocky habitat (Ref. 5595, 55925), the intermediate habitat, over sand, and in the open water (Ref. 5595). Feeds on plankton (Ref. 5595).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Maréchal, C., 1991. Ctenopharynx. p. 60-61. 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, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 4981)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
مصائد: تجاري; حوض مائي: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00578 - 0.02386), b=2.94 (2.77 - 3.11), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.45 se; based on food items.
Generation time: 1.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (K=0.57).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
