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Gymnogobius isaza (Tanaka, 1916)

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drawing shows typical species in Gobiidae.

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).
More on author: Tanaka.

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

; eau douce pélagique; non migrateur. Temperate

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

Asia: endemic to Lake Biwa, Japan. Introduced to Lakes Kasumigaura and Sagami.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm SL mâle / non sexé; (Ref. 43239)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 7; Rayons mous dorsaux (Total) : 10; Épines anales: 1; Rayons mous anaux: 10.

Biologie     Glossaire (ex. epibenthic)

Inhabit offshore areas in the lake almost throughout the year (Ref. 76915). Spawn in spring (Ref. 76915). Semelparous (Ref. 76911). Males care for the eggs in nest (Ref. 76913). Caught for food (Ref. 559).

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

Migrate to the shore to spawn under stones in spring (Ref. 76915). Males have only two brood cycles, mating with the same female during each breeding cycle (Ref. 76915).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Nakabo, T., 2002. Fishes of Japan with pictorial keys to the species, English edition II. Tokai University Press, Japan, pp 867-1749. (Ref. 43239)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

  Menacé (EN) (B1ab(iii)); Date assessed: 07 December 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: intérêt commercial mineur
FAO - Publication: search | FishSource |

Plus d'informations

Trophic ecology
Éléments du régime alimentaire
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Ecology
Écologie
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
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Fréquences de longueurs
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Abondance
Life cycle
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Maturité
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Fécondité
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Œufs
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Distribution
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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 | 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=0.00832 (0.00723 - 0.00958), b=3.07 (3.03 - 3.11), in cm total length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278):  3.1   ±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).
Catégorie de prix (Ref. 80766):   Very high.