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Siluriformes (Catfishes) >
Auchenoglanididae (Flatnose catfishes)
Etymology: Parauchenoglanis: Greek, para = near + Greek, auchen = neck + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335); patersoni: Named after Dr Angus Paterson, former managing director of the National Research Foundation-South African Institute for Aquatic Biodiversity (NRF-SAIAB), in appreciation and recognition of his determination and efforts to build taxonomic expertise and drive ichthyological exploration in poorly surveyed areas in southern Africa.
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
Africa: Angola
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 22.3 cm SL جنس نر / بدون خواص جنسي; (Ref. 132425)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
شعاع نرم باله پشتي (کل) : 6 - 7; شعاع نرم باله مخرجي: 10 - 11; مهره ها: 35 - 36. This species is distinguished from its congeners ahli, altipinnis, balayi, buettikoferi, longiceps, monkei, pantherinus, punctatus by having a broad humeral process (vs. pointed humeral process); further differs from altipinnis, balayi, pantherinus, punctatus by having a coarse skin (vs. smooth skin); differs from buettikoferi, monkei by the anterior margin of the pectoral-fin spine mostly smooth (vs. serrated from base to tip); differs from zebratus by the humeral process clearly visible through the skin, presence of five to six bars (rarely seven) on small specimens or vertical rows of spots on large specimens, and anterior margin of the pectoral-fin spine mostly smooth (vs. humeral process embedded under the skin, four to five vertical rows of spots on small or four to five bars on large specimens, and anterior margin of the pectoral-fin spine mostly serrated); differs stiassnyae by external mandibular barbel not reaching the tip of pectoral-fin spine (vs. reaching beyond the tip of pectoral-fin spine) and eyes positioned dorsolaterally (vs. dorsal); differs from ngamensis, lueleensis, poikilos, ernstswartzi, megalasma by absence of black background spots in between the vertical bars or rows of spots (vs. background spots present in ngamensis, lueleensis, poikilos or vermiculated pattern in ernstswartzi, or blotches in megalasma; further differs from these five species by absence or presence of only few spots on the head and fins (vs. heavily spotted in the other species); differs from dolichorhinus by a moderately depressed head, its depth 48.5%-54.9% HL (vs. depressed head, head depth 34.6%-40.0% HL), a deep body, 15.5%-21.4% SL (vs. shallower, 11.6%-14.0% SL), and posterior edge of anal fin reaching the posterior base of adipose fin (vs. not reaching posterior base of adipose fin); differs from chiumbeensis by having the posterior edge of anal fin reaching the posterior base of adipose fin (vs. reaching beyond level of posterior base of adipose fin) and external mandibular barbel not reaching tip of pectoral-fin spine (vs. reaching tip of pectoral-fin spine); differs from luendaensis by the external mandibular barbel not reaching the tip of pectoral-fin spine (vs. reaching distal tip of pectoral-fin spine) and rounded caudal fin (vs. truncate) (Ref. 132425).
Cross section: oval.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Sithole, Y., E.J.W.M.N. Vreven, P.H.N. Bragança, T. Musschoot and A. Chakona, 2024. Nine in one: integrative taxonomic evidence of hidden species diversity in the widespread Zambezi grunter, Parauchenoglanis ngamensis (Siluriformes: Auchenoglanididae), from southern and south-central Africa. Zool. J. Linn. Soc. 202:1-33. (Ref. 132425)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: ارزش تحاري اندك
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=0.00525 (0.00219 - 0.01260), b=3.09 (2.88 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
سطح تروفیک (مرجع 69278) |
3.7 ±0.6 se; based on size and trophs of closest relatives |
جهندگی (مرجع 120179) |
زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.). |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low to moderate vulnerability (27 of 100). 🛈 |