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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande; djupintervall 0 - ? m (Ref. 79879). Subtropical
Asia: China (Minjiang basin in Fujian Prov.).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 4.2 cm SL hane/ej könsbestämd; (Ref. 79879)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 7; Mjukstrålar i ryggfenan (totalt) : 8; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 7; Ryggkotor: 26. Diagnosed from all other species of the genus Rhinogobius by the unique combination of the following characters: second dorsal fin with one spine and 8 rays; anal fin with one spine and 7 rays; pectoral fin with 16-17 rays; scale on longitudinal series 28-30; predorsal scales 3-5; vertebrae 26; body side with 6 clusters of blackish-brown marks in male, grayish-brown in female; scale pockets of lateral body with conspicuous deep brown margin in female but not distinct in male; caudal fin base with a median black spot; snout with a dorsal pair of broad bright red stripes; a lateral pair of broad bright red stripe below orbit reaching vertically to corner of upper lip; snout orange; cheek with 2 oblique, parallel deep brown lines in male but absent n female; branchiostegal membrane grayish brown with 9-10 rounded bright orange red spots in male but uniform grayish and spotless in female; first dorsal fin with broad median grayish-black band; basal region of pectoral fin grayish black with basal, semicircular creamy-yellow region in male, pale in female (Ref. 79879).
Body shape (shape guide): elongated.
Inhabits shallow riffles with depth 30-60 cm, substratum composed of large pebbles and moderate to fast flowing water (Ref. 79879).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Chen, I.-S. and P.J. Miller, 2008. Two new freshwater gobies of genus Rhinogobius (Teleostei: Gobiidae) in Southern China, around the northern region of the South China sea. The Raffles Bull. Zool. 19:225-232. (Ref. 79879)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 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=0.00813 (0.00359 - 0.01840), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.4 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 (10 of 100). 🛈 |