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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Rhinogobius: Greek, rhinos = nose + Latin, gobius = gudgeon (Ref. 45335).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk; amfidrom (Ref. 138293). Temperate
Asia: Japan, from Shizuoka Prefecture and Toyama Prefecture westward to Honshu, Shikoku, and Kyushu.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 7.0 cm TL hane/ej könsbestämd; (Ref. 559)
Kort beskrivning
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).
Body shape (shape guide): elongated.
Adults inhabit middle to upper reaches of rivers, and are especially found in open and shallow areas. They breed 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. Food fish.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | 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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (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). |
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.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (13 of 100). 🛈 |