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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335); nami: Named for the late Chu Hoang Nam, who helped our surveys in Vietnam during 2018 and 2019.
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 : 2.8 cm SL hane/ej könsbestämd; (Ref. 132587); 3.2 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: 26. This species is distinguished by the following characters: pectoral fin rays 14-16 rays; second dorsal and anal fins 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 about halfway between posterior margins of preopercle and opercle; longitudinal scales 28-31, transverse scales 8-9; predorsal scales 6-11; cephalic sensory pore system usually with B´, C, D(S), E, F, H´, K´, L´, M´, N, and O´. Colouration: longitudinal, reddish-brown or dusky-brown stripes 5 (dotted lines) running from trunk to caudal peduncle both in male and female, fourth (from dorsal) one slightly below lateral midline most distinct and others sometimes unclear; male with 3 parallel, diagonally downward, reddish-brown or dusky brown stripes on ventral part of cheek; opercular membrane, interopercle, and lower part of subopercle of live male specimen light bluish-grey with many red or orange spots (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
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00356 - 0.01856), 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): 3.1 ±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).
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