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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal. Tropical
Asia: Vietnam.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 2.8 cm SL mannelijk / geslacht onbekend; (Ref. 132587); 3.2 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 8; Anale stekels: 1; Anale zachte stralen: 8; Wervels: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (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). |
Trofisch niveau (Ref. 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |