Gymnogobius opperiens

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Gymnogobius opperiens Stevenson, 2002

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Gymnogobius opperiens
Picture by Miyahara, H.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobionellinae
Etymology: Gymnogobius: Greek, gymnos = naked + Latin, gobius = gudgeon (Ref. 45335);  opperiens: Name from Latin 'opperior' meaning to wait or expect, its present participle meaning 'waiting', alluding to it being recognized as new for more than 20 years and has long awaited formal description..

Environment: milieu / climate zone / depth range / distribution range Écologie

marin; eau douce; saumâtre démersal; amphidrome (Ref. 58909). Temperate

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Northwest Japan (NE and central Honshu and southern Hokkaido), Kuril Is. (Kunashir), southern Sakhalin, and southern Primorski Krai in Russian Far East.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 8.1 cm SL mâle / non sexé; (Ref. 81467)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 6 - 7; Épines anales 1; Rayons mous anaux: 9 - 12. This species is distinguished by the following characters: base of caudal fine with a dark, y-shaped blotch and when fresh white spots on the pectoral fin near its insertion; head broad and depressed, the width greater than its depth; anterior oculoscapular canals reaching beyond postorbital region, opening through paired C, D, F, and G pores; right and left D pores distinct, separated by less than 1/3 orbital diameter; several sensory papillae in row 'n'; anteriorly protruding lower jaw beyond the upper one; maxilla extending posteriorly to or beyond posterior margin of eye; posterolateral end of mental flap indistinct; no fleshy, barbel-like processes behind chin; body with a series of broad bands formed by dark pigment patches; dusky caudal fin with dark blotches forming distich bands; predorsal scales 19-26; longitudinal scale series 71-78; modal vertebral count 15 + 18; first dorsal fin often with 6 spines, anteriormost pterygiophore usually inserted in 4th interneural space; modal second dorsal fin ray I,11, anteriormost pterygiophore usually inserted in 11th interneural space; modal anal fin ray count I,11, origin anterior to 3rd soft ray or second dorsal; first dorsal fin with distinct oblique bands, a dark blotch on posterior margin (Ref. 81467).

Biologie     Glossaire (ex. epibenthic)

Often hidden among rocks in shallow, fast-moving, rock bottom streams and rivers. Collected in water temperatures exceeding 30°C (Ref. 81467).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Stevenson, D.E., 2002. Systematics and distribution of fishes of the Asian goby genera Chaenogobius and Gymnogobius (Osteichthyes: Perciformes: Gobiidae), with the description of a new species. Spec. Divers. 7(3):251-312. (Ref. 81467)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Préoccupation mineure (LC) ; Date assessed: 09 March 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00442 - 0.02163), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.2   ±0.3 se; based on size and trophs of closest relatives
Résilience (Ref. 120179):  Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).