Alosa agone
| Alosa agone | |
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| Species: | A. agone
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| Alosa agone[1] (Scopoli, 1786)
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Alosa agone is a species of ray-finned fish in the genus Alosa. Alosa agone is an endangered species of the Alosa genus.[2]
Species description
Alosa agone are common in the Mediterranean and the western Balkans.[2] There are also landlocked populations found in Italy.[2] The distribution of reproductive communities and the conservation status of Alosa agone in the central and eastern parts of the Mediterranean areas are poorly known.[2]
Conservation
Alosa agone’s numbers have declined due to barriers such as dams in their local areas.[2] These barriers prevent them from getting upstream to their spawning grounds and reproducing.[2] Improved water quality in some landlocked lakes have increased their numbers in recent years.[2]
Biology
The "twaite shad" are known to be very adaptive and variable as they form landlocked populations in Italy and its neighboring areas, including the western Balkans.[2] They can modify their morphology and biology according to their environment.[2] Therefore, Alosa agone, just like many Alosa species, can be either marine or freshwater fish.
References
- ^ Freyhof, J. & Kottelat, M. 2008. Alosa agone. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 16 December 2011.
- ^ a b c d e f g h i Bianco, P. G. (2002), The Status of the Twaite Shad, Alosa agone, in Italy and the Western Balkans. Marine Ecology, 23: pp. 51–64. doi:10.1111/j.1439-0485.2002.tb00007.x
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