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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.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce démersal. Tropical
Distribution
Territoires | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri
Asia: Vietnam.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 6.0 cm SL mâle / non sexé; (Ref. 132587); 5.3 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 7; Rayons mous dorsaux (Total) : 8; Épines anales: 1; Rayons mous anaux: 8; Vertèbres: 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.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
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).
Niveau trophique (Réf.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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