Astatotilapia tweddlei

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Astatotilapia tweddlei Jackson, 1985

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Astatotilapia tweddlei
Male picture by Turner, G.F.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 慈鯛科魚類 (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).

Issue
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.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性. 熱帶; 14°S - 16°S

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Africa: Lakes Chilwa and Chiuta and in flowing rivers (Ref. 4983, 49182).
非洲: 湖 Chilwa 與 Chiuta 與在流動的河中。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 9.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 49182)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 14 - 16; 背的軟條 (總數): 9-10; 臀棘 3; 臀鰭軟條: 8 - 10; 脊椎骨: 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).

生物學特性     字彙 (例如 epibenthic)

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.

棲息於沼澤的湖與慢的溪流。 (參考文獻 4967)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

Mouthbrooding by females.非洲: 湖 Chilwa 與 Chiuta 與在流動的河中。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Kullander, Sven O. | 合作者

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)

IUCN 瀕危狀態 (Ref. 130435)

  資料不足 (DD) ; Date assessed: 23 May 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

FAO - Publication: search | FishSource |

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網路資源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 檢查 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因組, 核甘 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 樹狀分類階層 | Wikipedia: , 搜尋 | World Records Freshwater Fishing | Zoobank | 動物學的記錄

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.0   ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).