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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335); rong: Named for its pointed appearance that is reminiscent of the Vietnamese dragon ('rồng' in Vietnamese); noun in apposition.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Tropical
Utbredning
Territorier | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri
Asia: Vietnam.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 6.0 cm SL hane/ej könsbestämd; (Ref. 132587); 5.3 cm SL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 7; Mjukstrålar i ryggfenan (totalt) : 8; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 8; Ryggkotor: 25 - 26. This species is distinguished by the following characters: with mouth closed, the anterior tip of lower jaw protruding significantly beyond upper jaw in larger males (> 4.0 cm SL); pectoral fin rays, 18-20 rays (usually 19); D2 and A usually with one spine and eight soft rays; total vertebrae usually 26; cycloid scales on nape and posterior part of occipital region, scaled area extending anteriorly to posterior margin of preopercle; longitudinal scales 31-34; predorsal scales 11-17; cephalic sensory pore system usually with B´, C, D(S), E, F, H´, K´, L´, M´, N, and O´; cheek with four longitudinal rows of cutaneous sensory papillae and no transverse row. Colouration: when alive, cheek of males with 2 broad, diagonally downward orange stripes, and 1 or 2 large orange spot(s); thinner and reddish-brown or grey similar markings in females (Ref. 132587).
Body shape (shape guide): elongated; Cross section: oval.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Maeda, K., H. Kobayashi, M. Iida and H.D. Tran, 2024. Taxonomy of freshwater gobies of the genus Rhinogobius (Oxudercidae, Gobiiformes) from central Vietnam, with descriptions of two new species. Zootaxa 5493(5):507-541. (Ref. 132587)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
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]. |
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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) |
3.3 ±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 (14 of 100). 🛈 |