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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; ej vandrande. Temperate
Asia: Japan, from Shizuoka Prefecture and Toyama Prefecture westward to Honshu, Shikoku, and Kyushu.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm TL hane/ej könsbestämd; (Ref. 559)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Ryggkotor: 27 - 28. First dorsal fin with 4th ray longest and large, square bluish-black mark on anterior 2/3 of first dorsal fin in male; first dorsal fin with 2nd and 3rd rays longest and pale lacks this large dark mark in male (Ref. 79602).
Adults inhabit middle to upper reaches of rivers, and are especially found in open and shallow areas. Breeds from June to August and makes a spawning bed (nest). Eggs are protected by the male. As soon as they hatch, the juveniles live on the river bottom. Not amphidromous. Food fish.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: mindre kommeriell
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trofisk nivå (Ref.
69278): 3.3 ±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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
