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Atherina boyeri in Mauritania
Big-scale sand smelt

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Atherina boyeri   Risso, 1810
Family:	Atherinidae (Silversides) , subfamily: Atherininae			picture (Atboy_u3.jpg) by Bakardjiev, I.
Order:	Atheriniformes  (silversides)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Big-scale sand smelt
Max. size:	20.0 cm TL (male/unsexed; Ref. 30578)
Environment:	demersal; amphidromous ; depth range - 1 m
Climate:	subtropical; 53°N - 20°N
Global Importance:	fisheries: commercial
Resilience:	Medium, minimum population doubling time 1.4 - 4.4 years (K=0.8; tm=1; tmax=4;)
Distribution:	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).
Diagnosis:	Dorsal spines (total): 7-10; Dorsal soft rays (total): 8-16; Anal spines: 2-2; Anal soft rays: 10-18. Eye diameter wider than snout length (Ref. 35388).
Biology:	Very euryhaline species, which is frequently found in brackish waters and more sporadically in freshwater (Ref. 3788). Adults occur in great schools. Carnivorous, feeds on small crustaceans, worms, mollusks (Ref. 5980) and fish larvae (Ref. 35388)
Threatened:	, (Ref. 36508)
Dangerous:	harmless
Coordinator:	Dyer, Brian S.
Main Ref:	Maugé, L.A.. 1990. (Ref. 4499)
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Mauritania country information
Common names:	[ No common name ]		Ref:
Status:	native		Ref:
Salinity:	freshwater, brackish, marine
Uses:	no uses
Country Information:	www.cia.gov/cia/publications/factbook/geos/mr.html
Occurrences:	Occurrences    Point map
Main Ref:	Maugé, L.A., 1990
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	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | National databases | PubMed | Scirus | Tree of Life | Sea Around Us | Zoological Record FishWatcher | Other web sites |
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	Entered:  Agustin, Liza Q.

	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