>
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); luendaensis: Named after its type locality the Luenda River, Kasai sub-basin, Angola, the suffix ‘-ensis’, meaning ‘lives in’, has been added.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
Africa: Angola.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 12.2 cm SL hane/ej könsbestämd; (Ref. 132425)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 7; Mjukstrålar i analfenan: 8 - 10; Ryggkotor: 35 - 37. This species is distinguished from its congeners ahli, altipinnis, balayi, buettikoferi, longiceps, monkei, pantherinus, punctatus by a broad humeral process (vs. pointed humeral process); differs further from altipinnis, balayi, pantherinus, punctatus by its coarse skin (vs. smooth); differs from zebratus by the humeral process clearly visible through the
skin, presence of six to seven vertical rows of spots, and anterior margin of the pectoral-fin spine mostly smooth (vs. humeral process embedded under the skin, four to five bars, and anterior margin of the pectoral-fin spine mostly serrated); differs from stiassnyae by its truncated caudal fin (vs. rounded), dorsolaterally positioned eyes (vs. dorsally positioned), and the presence of regularly spaced vertical rows of spots on the flank (vs. irregularly spaced blotches): differs from ngamensis, lueleensis, poikilos, ernstswartzi, megalasma by the absence of background spots (vs. present black background spots in ernstswartzi, poikilos or vermiculated pattern in ernstswartzi or blotches in megalasma) and unspotted head (vs. spotted); differs from chiumbeensis by unspotted head and fins (vs. faintly spotted) and the relatively high adipose fin height, 6.4%-7.7% SL (vs. low, 5.1%-6.8% SL); differs further poikilos, ernstswartzi by its relatively shorter prepectoral fin length,
26.2%-29.5% SL (vs. longer, 30.6%-31.4% SL in poikilos and 28.6%-30.4% SL in ernstswartzi); differs further from poikilos, megalasma by the small head, 31.0%-34.5% SL (vs. bigger, 35.0%-35.6% SL in poikilos and 34.8%-35.5% SL in megalasma); differs from dolichorhinus, patersoni by its truncated caudal fin (vs. rounded); differs further from dolichorhinus by its moderately depressed head, its depth 48.2%-59.2% HL (vs. depressed head with depth 34.6%-40.0% HL); differs further from patersoni by the external mandibular barbel reaching distal tip of pectoral-fin spine (vs. not reaching the tip of pectoral-fin spine) (Ref. 132425).
Cross section: oval.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
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). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.5 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |