Overview

Comprehensive Description

Biology

A very euryhaline species, which is frequently found in brackish waters and more sporadically in freshwater (Ref. 3788), preferring still or slow flowing waters (Ref. 59043). Adults occur in great schools. Carnivorous, feeds on small crustaceans, worms, mollusks (Ref. 5980) and fish larvae (Ref. 35388).
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Distribution

Range Description

Along coast of Mediterranean, Black, Azov and Caspian Sea basins. Atlantic coast northward to Loire estuary (France). Isolated populations along costs of southern England and the Netherlands (some might actually be the marine A. mochon). Permanent freshwater resident populations in Guadalquivir and Tagus (now extirpated) drainages, Santo André lagoon (Portugal) and Lake Trichonis (Greece). Introduced in Aral Sea, Lake Trasimeno (Italy) and perhaps other lakes in Italy.
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Distribution

British Isles, European waters (ERMS scope), Greek Exclusive Economic Zone
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Eastern Atlantic: Portugal and Spain to Nouadhibou in Mauritania and Madeira, and throughout the Mediterranean and Black Sea. Isolated populations on coasts of England and the Netherlands (Ref. 5980). Two subspecies recognized in Russian waters: Atherina boyeri pontica (Eichwald, 1838) from the Black Sea and the Sea of Azov and Atherina boyeri caspia (Eichwald, 1838) from the Caspian Sea (Ref. 26334).
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Physical Description

Morphology

Dorsal spines (total): 7 - 10; Dorsal soft rays (total): 8 - 16; Analspines: 2; Analsoft rays: 10 - 18
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Size

Maximum size: 200 mm TL
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Max. size

20.0 cm TL (male/unsexed; (Ref. 30578))
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Diagnostic Description

Eye diameter wider than snout length (Ref. 35388).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Habitat:
Lower parts of rivers, estuaries, coastal lakes and sea. Freshwater populations prefer still or slow-flowing waters. Pelagic in lakes.

Biology:
Gregarious. Usually lives 1-2 years, rarely up to four. Spawns for the first time at 1-2 years. Freshwater populations spawn in April-June in Guadalquivir, in March-October in Lake Trichonis. Short spawning migrations into estuaries in some populations. Fractional spawner, larger individuals spawn for a longer period. Eggs with long hairy appendages attaching them to filamentous algae, deposited at 2-6 m depth. Larvae are pelagic but often form schools close to the shores. In lakes and estuaries, feeds mainly on small planktonic invertebrates, often on benthos in rivers.

Systems
  • Freshwater
  • Marine
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Depth range based on 1 specimen in 1 taxon.

Environmental ranges
  Depth range (m): 1 - 1
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Environment

demersal; amphidromous (Ref. 51243); freshwater; brackish; marine; depth range 1 - ? m
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Migration

Amphidromous. Refers to fishes that regularly migrate between freshwater and the sea (in both directions), but not for the purpose of breeding, as in anadromous and catadromous species. Sub-division of diadromous. Migrations should be cyclical and predictable and cover more than 100 km.Characteristic elements in amphidromy are: reproduction in fresh water, passage to sea by newly hatched larvae, a period of feeding and growing at sea usually a few months long, return to fresh water of well-grown juveniles, a further period of feeding and growing in fresh water, followed by reproduction there (Ref. 82692).
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Trophic Strategy

Juveniles feed mainly on zooplankton (Ref. 13398).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Atherina boyeri

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Species: 2
Species With Barcodes: 1

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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2008

Assessor/s
Freyhof, J. & Kottelat, M.

Reviewer/s
Bogutskaya, N., & Smith, K. (IUCN Freshwater Biodiversity Unit)

Contributor/s

Justification
A widespread species with no known major widespread threats.

History
  • 1996
    Data Deficient
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Population

Population
Common.

Population Trend
Unknown
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Threats

Threats

Major Threats
No major threats known.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
No information.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
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Wikipedia

Big-scale sand smelt

Big-scale sand smelt, Atherina boyeri, is a species of fish in the Atherinidae family. Euryhaline amphidromous fish, up to 20 cm length.

Contents

Range

It is found in the Eastern Atlantic from Portugal and Spain to Nouadhibou (Mauritania) and Madeira[1]. Also in Mediterranean, includes the inshore lagoon, such as Trasimeno in Italy, Hyères in the southern France, Lake Qarun in Egypt[2]; the isolated population is near the coasts of England and Netherlands. In the Black Sea it is widespread along all coasts, in lagoons and estuaries, in the downstreams of rivers Danube, Dniester, Southern Bug, Inhulets, Dnieper, the permanent population is in the Kakhovka Reservoir[3].

The isolated population in the Caspian Sea is characterised as subspecies Atherina boyeri caspia (Eichwald, 1838).

Gastronomy

This small fish is appreciated in the Catalan, Occitan, Turkish and Greek cuisine in fried form. The fish are lightly powdered with wheat flour before being dropped in hot olive oil.

References

  1. ^ Atherina boyeri at FishBase
  2. ^ Fishes of the North-eastern Atlantic and the Mediterranean, Vol. 3., (Eds.:) Whitehead P.J.P., Bauchot M.-L., Hureau J.-C., Nielsen J., Tortonese E., Paris, UNESCO, 1986.
  3. ^ Movchan Yu.V. (1988) True loaches, catfishes, canal catfishes, freshwater eels, congers, needlefishes, cods, sticklebacks, syngnathids, mosquitofishes, zeids, barracudas, grey mullets, old world silversides, cusk eels [in:] Fauna of Ukraine, Vol. 8, No 3, Kiev: Naukova Dumka, 399 pp. (in Russian)

Source

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