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Alestopetersius conspectus Mbimbi Mayi Munene & Stiassny, 2012

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drawing shows typical species in Alestidae.

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Teleostei > Characiformes (Characins) 脂鯉目 (Characins) > Alestidae (African tetras) Alestidae (African tetras)
Etymology: Alestopetersius: Greek, a = without + Greek, lestes = thief + Peters, 1877, naturalist, expeditionary in Asia;  conspectus: Conspectus, from the Latin, in reference to the conspicuous markings on the caudal fin and striking, bright coloration of the species in life (Ref. 89102).

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

; 淡水 大洋性; pH range: 5.8 - 6.5. 21°C - 23°C (Ref. 89102)

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Africa: Kwilu River, middle Congo River basin, in Democratic Republic of the Congo (Ref. 89102).

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 5.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 89102)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 0; 背的軟條 (總數) : 10; 臀棘: 0; 臀鰭軟條: 21 - 23; 脊椎骨: 36 - 37. Diagnosis: Alestopetersius conspectus, is distinguished from A. smykalai, A. leopoldianus, A. nigropterus, A. caudalis, and A. sp. "mbuji" in the possession of 12, vs. 10, circumpeduncular scales (Ref. 89102). It is readily distinguished from A. brichardi, A. compressus, A. hilgendorfi, and A. tumbensis in the possession of a caudal-fin pigmentation consisting of a median black band extending to the caudal-fin margin and flanked by dense black bands in both upper and lower fin lobes (Ref. 89102). Alestopetersius bifasciatus, which shares similar caudal fin pigmentation, is distinguished from A. conspectus by the absence of a broad mid-lateral band on the body, and in tooth morphology (Ref. 89102).

生物學特性     字彙 (例如 epibenthic)

Found in shallow water with water temperature of 21–21.5°C and pH ranging from 5.8–6.5; riverbanks variously covered with dense, undisturbed riparian vegetation, heavily degraded urban areas and cleared agricultural area (Ref. 89102). Short guts and large stomachs with 6-8 fleshy pyloric caeca suggest a carnivorous diet; stomachs with remnants of insect head capsules and disarticulated body parts, most of terrestrial origin, with a preponderance of ants and small midges presumably taken at the water surface (Ref. 89102).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Mbimbi Mayi Munene, J.J. and M.L.J. Stiassny, 2012. A new Alestopetersius (Characiformes: Alestidae) from the Kwilu River (Kasai basin) of central Africa; with a phylogeny for the genus and synonymy of Duboisialestes. Zootaxa 3166:59-68. (Ref. 89102)

IUCN 瀕危狀態 (Ref. 130435)

  未評估 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00528 - 0.02495), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.1   ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).