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Characiformes (Characins) >
Characidae (Characins; tetras) > Characinae
Etymology: Phenacogaster: Greek, phenax, -akos = deceptive + Greek, gaster = stomach (Ref. 45335); nukak: Named after the environmental and cultural diversity of Nukak territory, on one side the great national reserve Nukak, whose main body of water is the Inírida River and one of the largest protected areas in Colombia (Camacho Peña, 2022), on the other side the resistance of the Nukak Maku people, for their fight against physical and cultural extinction, being a reminder of the territory and biodiversity that belongs to them.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.. Tropical
South America: Colombia.
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 4.3 cm SL جنس نر / بدون خواص جنسي; (Ref. 132565)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
شعاع نرم باله پشتي (کل) : 8 - 9; شعاع نرم باله مخرجي: 32 - 34; مهره ها: 36. This species is distinguished from its congeners by the following characters: an incomplete lateral line; position of the humeral spot near the anterior origin of the base of the dorsal fin between the fifth and eighth ribs counted from the posterior limit of the pseudotympanum; differs from P. tegatus by a longer caudal peduncle 7.1-11.0% SL, 9.1% on average (vs. 4.7-7.8% SL, 6.0% on average), shorter maxillary length 19.0-33.6% HL, 29.6% on average (vs. 33.8-43.2% HL, 38.1% on average), and larger orbit diameter 32.2-43.8% HL, 38.3% on average (vs. 22.9-26.5% HL, 24.5% on average); differs from P. yari by the higher number of perforated scales in the lateral line 8-11 (vs. 6-7), circumpeduncular scales 11-12 (vs. 10), anal-fin rays 32-34 (vs. 29-32), pectoral-fin rays 12-14 (vs. 10-11); no bony hooks on the pelvic-fin rays on males; presence of hooks on pectoral-fin rays of males; caudal vertebrae 22 (Ref. 132565).
Cross section: compressed.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Romero-Figueroa, A. and T.P. Carvalho, 2024. Four new species of Phenacogaster (Characiformes: Characidae) and a review of its diversity in Colombia. Ichthyol. Herpetol. 112(4):619-644. (Ref. 132565)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01380 (0.00621 - 0.03068), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
سطح تروفیک (مرجع 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |