Classification / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Sarotherodon: Greek, saros, -ou = sawdust + Greek, ther = animal * Greek, odous = teeth (Ref. 45335).
More on author: Guichenot.
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल; खारा ड़िमरसल. Tropical; 3°N - 7°S
Africa: coastal zone of Gabon and Equatorial Guinea (Sarotherodon nigripinnis nigripinnis) and the lower Kouilou in Republic of Congo to the lower Congo River estuary in Democratic Republic of Congo (Sarotherodon nigripinnis dolloi).
आकार / वज़न / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 18.0 cm SL पुल्लिंग / अलिंग; (Ref. 2)
पृष्ठीय रीढ़ (सम्पूर्ण) : 14 - 17; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 9 - 12; गुदा कांटा: 3; ऐनल सौफट रेज़: 8 - 9. Diagnosis: 12-17 rakers on lower limb of first arch; 27-30 scales in lateral line; generally with black spots and blotches on head and body (Ref. 81260).
Body shape (shape guide): short and / or deep.
Estuarine species, preferring brackish water but found in freshwater during low tide (Ref. 68431). Male mouthbrooder (Ref. 41581). No marked sexual dichromatism when sexually active; forms temporary pair-bonds during reproduction (Ref. 81260).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Males carry eggs (Ref. 41581). Males of Sarotherodon nigripinnis dolloi construct nest and incubate eggs (Ref. 55074). Incubatory period lasts about 14 days; female retrieves newly released young in mouth (Ref. 72506). Juveniles become independant after about 4 weeks (Ref. 55074).
Falk, T.M., G.G. Teugels and E.K. Abban, 2003. Revision and biogeographical analysis of the black-chinned tilapia Sarotherodon melanotheron (Teleostei, Cichlidae): results of morphometric, allozyme, globin chain and mtDNA studies. J. Nat. Hist. 37(18):2191-2212. (Ref. 72448)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (संदर्भ
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01862 (0.00830 - 0.04177), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (संदर्भ
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
लौटाव (संदर्भ
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
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