Blicca bjoerkna (Linnaeus, 1758)

White bream

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Cypriniformes \| Cyprinidae
Synonyms	Cyprinus bjoerkna, Abramis bjoerkna, Blicca bjoerkna bjoerkna, ... more
Common names	Silver bream, Brème bordelière, Brema blanca, ... more

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Picture by Artaev, O.

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Main reference

Kottelat, M. 1997. (Ref. 13696)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 36.0 cm TL male/unsexed; (Ref. 27368); common length : 20.0 cm TL male/unsexed; (Ref. 556); max. published weight: 1,000 g (Ref. 30578)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; brackish; depth range 0 - ? m

Climate / Range

Temperate; 4°C - 20°C (Ref. 2059); 65°N - 40°N

Europe: France to the Urals except Italy, Greece and former Yugoslavia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 3; Dorsal soft rays (total): 8; Anal spines: 3; Anal soft rays: 19 - 22; Vertebrae: 39 - 40. Caudal fin with 17-19 rays (Ref. 2196).

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.


IUCN Red List Status (Ref. 57073)	Threat to humans
Least Concern (LC)	Harmless

Human uses
Fisheries: minor commercial; aquarium: public aquariums; bait: occasionally


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.10-0.27; tm=3-4)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High vulnerability (62 of 100)	Not marketed/unknown

Entered by Yamamoto, Mike N.

Modified by Luna, Susan M.

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Page last modified by : elaxamana, 15 July 2009

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