Alosa agone

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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

1. ^ 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.
2. ^ ^{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