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Blicca bjoerkna in Estonia
White bream

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Blicca bjoerkna   (Linnaeus, 1758)
Family:	Cyprinidae (Minnows or carps)			picture (Blbjo_u2.jpg) by Artaev, O.
Order:	Cypriniformes  (carps)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	White bream
Max. size:	36.0 cm TL (male/unsexed; Ref. 27368); max. published weight: 1,000 g (Ref. 30578)
Environment:	demersal; potamodromous ; depth range - 0 m
Climate:	temperate; 4 - 20°C; 65°N - 40°N
Global Importance:	fisheries: minor commercial; aquarium: public aquariums; bait: occasionally
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (K=0.10-0.27; tm=3-4)
Distribution:	Europe: France to the Urals except Italy, Greece and former Yugoslavia.
Diagnosis:	Dorsal spines (total): 3-3; Dorsal soft rays (total): 8-8; Anal spines: 3-3; Anal soft rays: 19-22; Vertebrae: 39-40. Caudal fin with 17-19 rays (Ref. 2196).
Biology:	Gregarious and frequents stagnant waters of lakes and reservoirs, rivers and canals with calm waters. Feeds on small benthic invertebrates, insect larvae and plants. Juveniles feed on zooplankton. Reproduction takes place in May to July. Exhibit polyandry. Of little interest to game fishers and consumers (Ref. 30578). Unpopular with commercial fishers due to its small size and competition with more desired species
Threatened:	, (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Kottelat, M.. 1997. (Ref. 13696)
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Estonia country information
Common names:	nurg, Silver bream		Ref:  Anonymous, 1999
Status:	native		Ref:  Ojaveer, E. and E. Pihu, 2003
Salinity:	freshwater, brackish, marine
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Found in warmer water (Ref. 33247). Abundant in the Gulf of Riga and common in the Gulf of Finland (Ref. 52079). Also Ref. 683.
National  Checklist:	Estonian checklist - Fish
Country Information:	www.cia.gov/cia/publications/factbook/geos/en.html
Occurrences:	Occurrences    Point map
Main Ref:	Anonymous, 1999
National Database:	Estonian Vertebrates
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More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Identification keys | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | FAO catch | Google | GOBASE | GenBank ( genome, nucleotide ) | National databases | PubMed | Scirus | Public aquariums | Tree of Life | Zoological Record FishWatcher | Other web sites |
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Ortañez, Auda Kareen	Entered:  Reyes, Rodolfo B.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07