Country Species Summary

Gobio gobio gobio (Linnaeus, 1758)
Family:	Cyprinidae (Minnows or carps)	picture (Gogob_u6.jpg) by Stefanov, T.
Order:	Cypriniformes (carps)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Gudgeon
Max. size:	20.0 cm TL (male/unsexed; Ref. 556); max. published weight: 220 g (Ref. 6258); max. reported age: 8 years
Environment:	benthopelagic; potamodromous; pH range: 7 - 7.5; dH range: 10 - 20
Climate:	temperate; 2 - 18°C; 67°N - 36°N
Global Importance:	fisheries: commercial; aquarium: commercial; bait: usually
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (tm=1-3; tmax=8; Fec=1,000-3,000)
Distribution:	Europe: throughout the continent (except Spain, central and southern Italy, Greece, Scotland, Norway, northern Sweden, northern Finland) as far north as 61°40'N; the Volga as far as the delta; absent from Asia Minor; absent from the Pacific slope of Siberian rivers. Occurs as far east as Korea (Ref. 4537). Populations from the Iberian Peninsula and Adour basin in southern France refer to G. lozanoi (Ref. 57030).
Diagnosis:	Dorsal spines (total): 2-3; Dorsal soft rays (total): 5-7; Anal spines: 2-3; Anal soft rays: 6-8; Vertebrae: 39-41. Caudal fin with 19 rays (Ref. 2196). Scalar formula: 38-45 (Ref. 40476).
Biology:	Inhabits fast flowing rivers with sand or gravel bottom but may also occur in still waters. Forms schools. Feeds on insect larvae, mollusks, and crustaceans. Normally active during the day but if they are disturbed, in particular, by predators, they can defer their activity to periods when light intensity is weak. Capable of emitting squeaking sounds. These vocalizations, which is a means by which fish communicate with each other, vary with the degree of activity and the temperature and are independent of the season of reproduction (Ref. 30578). Eggs are released above substrate and drift with current, sinking to bottom and sticking to substrate. Larvae and juveniles are benthic and prefer detritus-rich sandy habitats and low current (Ref. 59043)
Threatened:	, (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Muus, B.J. and P. Dahlström. 1968. (Ref. 556)
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Croatia country information
Common names:	[ No common name ]	Ref:
Status:	native	Ref:
Salinity:	freshwater
Aquaculture:		Ref:
Uses:	no uses
Country Information:	www.cia.gov/cia/publications/factbook/geos/hr.html
Occurrences:	Occurrences Point map
Main Ref:	Gerstmeier, R. and T. Romig, 1998
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Entered: Froese, Rainer

CGNET - US

Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07

	Ref.:		Glossary
		(e.g. 9948)		(e.g. cephalopods)
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