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Alosa immaculata Bennett, 1835

Pontic shad
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Native range | All suitable habitat | Point map | Year 2050
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Alosa immaculata   AquaMaps   Data sources: GBIF OBIS
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Image of Alosa immaculata (Pontic shad)
Alosa immaculata
Picture by Kutsarov, Y.


Russian Federation country information

Common names: Black Sea herring, Chernomorskaya sel'd, Chernomorsko-azovskaya sel'd'
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in the Black Sea and Sea of Azov, entering rivers (the Don and others) (Ref. 26334). Introduced for fisheries (Ref. 93375). Also Ref. 188. EurRus
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rs.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Reshetnikov, Y.S., N.G. Bogutskaya, E.D. Vasil'eva, E.A. Dorofeeva, A.M. Naseka, O.A. Popova, K.A. Savvaitova, V.G. Sideleva and L.I. Sokolov, 1997
National Database:

Common names from other countries

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

> Clupeiformes (Herrings) > Alosidae (Shads and Sardines)
Etymology: Alosa: Latin, alausa = a fish cited by Ausonius and Latin, halec = pickle, dealing with the Greek word hals = salt; it is also the old Saxon name for shad = "alli" ; 1591 (Ref. 45335).
  More on author: Bennett.

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

marinhas; Água doce; estuarina; anádromo (Ref. 51243); intervalo de profundidade 3 - 90 m (Ref. 10439).   Temperate; 50°N - 41°N, 27°E - 44°E

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

Eurasia: Black Sea and Sea of Azov ( in sea and in the Don, Danube and other rivers, as much as 567 km up the Don and as far as Kiev on the Dneiper before the dam was built). Recognized sub-species (Ref. 683): Alosa pontica pontica in the Black Sea and rivers feeding it; Alosa pontica kessleri and Alosa pontica volgensis in the Caspian Sea.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - 23.4 cm
Max length : 39.0 cm SL macho/indeterminado; (Ref. 188); idade máx. registrada: 7 anos (Ref. 10439)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 0; Espinhos anais: 0. Body fairly elongate, more `herring-like' than `shad-like'. Gill rakers rather thin, usually equal to or a little shorter than gill filaments. Teeth well developed in both jaws. Resembles A. caspia, which usually has more Gill rakers (50 to 180, much longer than gill filaments), poorly developed teeth and a deeper, `shad-like' body; A. maeotica has fewer Gill rakers (33 to 36).

Biologia     Glossário (p.ex. epibenthic)

Thai species is pelagic at sea, in deep water. It migrates to middle reaches of large rivers, spawning where current is strongest, close to the surface, often at 2-3 m depth in the main channel. Migrates upriver to spawn at 3 years, rarely earlier and only a few individuals spawn two seasons. It appears along the coast in March to April, enters rivers when temperatures reach about 6-9°C, between late March and late April; migration usually peaks in May. Spawning starts when temperature rises above 15°C in April to August; usually between 1 and 8 p.m. Pelagic eggs. Spent individuals return to the sea to feed. Juveniles inhabit floodplain and shallow riverine habitats, migrate to the sea or estuarine habitats during first summer; in autumn return to the sea until maturity. When at sea, it feeds on a wide variety of zooplankton (mainly crustaceans, (Crangon, Upogebia, Idothea, gammarids) and small fish (Engraulis, Clupeonella, Sprattus). Reduction of spawning sites and migration routes are caused by impoundment of main rivers. Heavy over fishing apparently reduced all populations during the first decade of the 20th century (Ref. 59043). Reaches a smaller size (30 cm SL, usually 14-18) in Don River; a smaller form reaches only 21 cm.

Ciclo de vida ou comportamento de acasalamento Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Eggs are pelagic (Ref. 59043).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Kottelat, M., 1997. European freshwater fishes. An heuristic checklist of the freshwater fishes of Europe (exclusive of former USSR), with an introduction for non-systematists and comments on nomenclature and conservation. Biologia, Bratislava, 52/Suppl. 5:1-271. (Ref. 13696)

Status na Lista Vermelha da UICN (Ref. 130435)

  Vulnerável, ver Livro Vermelho da UICN (VU) (B2ab(v)); Date assessed: 01 January 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Harmless




Uso pelos humanos

Pescarias: pouco comercial
FAO(pescarias: produção; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 8.6 - 14.8, mean 13.3 (based on 68 cells).
Índice de diversidade filogenética (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00777 - 0.02235), b=2.99 (2.84 - 3.14), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  4.0   ±0.6 se; based on diet studies.
Resiliência (Ref. 120179):  médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (K=0.32; tm=2; tmax=9).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (35 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (67 of 100).
Categoria de preço (Ref. 80766):   High.