Bulgaria country information

Common names: Chudski sig
Occurrence: introduced
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from the Iskar reservoir.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/bu.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Mikhov, S., 2000
National Database:

Common names from other countries

Corégone lavaret, Lavareto, 真白鲑, ... more

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Salmoniformes (Salmons) > Salmonidae (Salmonids) > Coregoninae
Etymology: Coregonus: Greek, kore = pupils of the eye + Greek, gonia = angle (Ref. 45335).
More on author: Linnaeus.

Environment: milieu / climate zone / depth range / distribution range Ecologia

; Água doce; estuarina demersal; pH range: 7.0 - 7.5; dH range: 20 - ?; anádromo (Ref. 51243). Temperate; 4°C - 16°C (Ref. 2059); 78°N - 41°N, 6°W - 85°E

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Europe: Native to Lake Bourget (France) and Geneva (Switzerland, France). Population of Lake Aiguebelette (France) apparently introduced, but a 'lavaret' had already been recorded from there in the 17th century (Ref. 59043). Other authors assume it to be a superspecies occurring in Great Britain and Alpine areas of Central Europe. Has been stocked into many other places in Europe outside its native range. There are many parallel and wrong scientific names for this species in use because of the problems in classifying the genus Coregonus (Ref. 7495). Asia: introduced to Iran (Ref. 39702).

Length at first maturity / Tamanho / Peso / Idade

Maturity: L_m 27.1, range 40 - ? cm
Max length : 73.0 cm TL macho/indeterminado; (Ref. 40637); peso máx. Publicado: 10.0 kg (Ref. 35388)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 3 - 5; Raios dorsais moles (total) : 9 - 12; Espinhos anais: 3 - 5; Raios anais moles: 10 - 13. Mouth small with protruding upper jaw. Silvery body (Ref. 35388). Caudal fin with 19 soft rays (Ref. 40476).

Gregarious lacustrine forms (Ref. 2163) and anadromous estuarine forms, rarely in full saltwater. Feeds on planktonic crustaceans, or larger benthic crustaceans in brackish water. Movement in water column as a function of zooplankton repartition (Ref. 2163). Spawns in gravel, near shore, in shallow water, in December (Ref. 59043). Likely to benefit from environmental regulations in France passed on 8/12/88 (Ref. 2163).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Spawning takes place at night.

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Wheeler, A., 1992. A list of the common and scientific names of fishes of the British Isles. J. Fish Biol. 41(suppl.A):1-37. (Ref. 5204)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

Vulnerável, ver o Livro Vermelho da IUCN (VU) (D2); Date assessed: 01 January 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

Harmless

Utilização humana

Pescarias: espécies comerciais; Aquacultura: espécies comerciais; peixe desportivo: sim

FAO(Aquaculture systems: produção; pescarias: produção; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 5.8 - 12.5, mean 9.5 (based on 528 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00447 (0.00377 - 0.00529), b=3.20 (3.16 - 3.24), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Nível Trófico (Ref. 69278): 3.1 ±0.0 se; based on diet studies.

Resiliência (Ref. 120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (K=0.3-0.7; tmax=8; Fecundity=3,800 - 169,800).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (51 of 100).

Climate Vulnerability (Ref. 125649): High to very high vulnerability (72 of 100).

Categoria de preço (Ref. 80766): High.

Coregonus lavaretus (Linnaeus, 1758)