>
Characiformes (Characins) >
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).
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين سطح زی; pH range: 5.8 - 6.5. Tropical; 21°C - 23°C (Ref. 89102)
Africa: Kwilu River, middle Congo River basin, in Democratic Republic of the Congo (Ref. 89102).
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 5.7 cm SL جنس نر / بدون خواص جنسي; (Ref. 89102)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 10; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 21 - 23; مهره ها: 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).
Body shape (shape guide): fusiform / normal.
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).
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.01072 (0.00489 - 0.02350), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
سطح تروفیک (مرجع 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |