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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Astatotilapia: Greek, astato = unstable + Bechuana, African native thiape = fish (Ref. 45335); tweddlei: Named for Mr. Denis Tweddle, Malawi Fisheries Research Unit, in recognition of his valuable contributions to the zoogeography of Malawi as well as his appreciation of the fact that the Lake Chilwa-Chiuta fauna contained a new haplochromine species (Ref. 49182).
Eponymy: Denis (d: 1949) and Sharon Tweddle are husband and wife and together were honoured in the name of the dwarf sanjika for their contributions (e. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
This species is placed in the genus Haplochromis Hilgendorf, 1888 in Eschmeyer (CofF ver. Mar. 2011: Ref. 86697). We keep the lacustrine and riverine "Haplochromine" species in the genus Haplochromis only for the Lake Victoria catchment following Van Oijen et al. (1996: Ref. 12750), until a new complete taxonomic revision is published.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis. Tropical; 14°S - 16°S
Africa: Lakes Chilwa and Chiuta and in flowing rivers (Ref. 4983, 49182).
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 9.0 cm SL jantan/; (Ref. 49182)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 14 - 16; duri punggung lunak (Keseluruhan (total)) : 9 - 10; Duri dubur: 3; Sirip dubur lunak: 8 - 10; vertebrata, bertulang belakang: 28 - 30. Diagnosis: A species of Astatotilapia with a relatively slender body, its depth 32-37% of standard length; snout pointed; mouth large, oblique, lower jaw 37-45% of head length; caudal fin well rounded, slender, maximum width when extended 75-80% of its length; caudal peduncle longer than deep, its length/depth 1.10-1.44; chest scales relatively small, 12-14 in mid-ventral line between the row's origin on the isthmus and its termination between pelvic fins; colouration of breeding males distinctive with a well-marked series of maroon red spots along flanks, in parallel rows along scale rows except rows on and above upper lateral line (Ref. 49182).
Inhabits swampy lakes and slow streams (Ref. 4967). The maximum length of 110 cm given by Eccles (1992) [Ref. 4967] is apparently a mistake, maybe for 11.0 cm.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Mouthbrooding by females.
van Oijen, M.J.P., J. Snoeks, P.H. Skelton, C. Maréchal and G.G. Teugels, 1991. Haplochromis. p. 100-184. 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. 4983)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01445 (0.00671 - 0.03113), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.0 ±0.3 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low vulnerability (13 of 100). 🛈 |