Pinna nobilis - The story
In the late 1980s the world population of Pinna nobilis has declined significantly as a result of recreational and commercial bait fishing, the production of "sea silk" from its gills, the use of its shell for ornamental purposes and accidental killing by trawls and moorings. In accordance with Article 3 of Directive 92/43/EEC, the European ecological network "Natura 2000" was created for protected sites, for the conservation of natural heritage (http://www.natura.org/), and which also concerns areas where the pinna is endemic. The pinna Pinna nobilis is included in Annex IV of the Barcelona Convention (UNEP) (1996) and is listed in the Protocol on Biological Diversity of Special Protected Areas (Annex II) as an endangered species in the Mediterranean and under strict protection conditions.

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Pinna nobilis
ΙNNOVATIVE ACTIONS FOR THE MONITORING-RECOVERING – ENHANCEMENT OF THE NATURAL RECRUITMENT OF THE ENDANGERED
SPECIES (FUN MUSSEL) PINNA NOBILIS.
Greek Operational Programme for Fisheries and Sea 2014-2020
MIS 5052394
Pinna nobilis is the largest endemic pteriform bivalve in the Mediterranean, individuals of which can grow up to 120 cm (Zavodnik et al., 1991). It is a long-lived shell (lives up to 45-50 years) (Richardson et al., 1999; Katsanevakis, 2006; Galinou-Mitsoudi et al., 2006; Rouanet et al., 2015). It is found in coastal areas with soft bottoms at depths between 0.5 and 60 m, mainly in sea meadows (Zavodnik et al., 1991; Richardson et al., 1999; García-March et al., 2007a,b; Coppa et al. ., 2010; 2013; Prado et al., 2014), but also in bare sandy bottoms (Katsanevakis, 2006). P. nobilis has about 35% of its length buried in the bottom. The front part of the shell is connected through its screw to the substrate (SoHelFI 2007). Their shell is in the shape of an isosceles triangle and in living animals is buried in the substrate from the top of the equal sides. The species plays an important ecological role, providing a new hard substrate for colonization, increasing soil heterogeneity for surrounding soft-bottom communities and contributing to an overall increase in the level of local biodiversity of marine benthic habitats (Rabaoui et al., 2009). The species was known for its healing properties and was used medicinally during the ancient Greek and early Byzantine periods (Voultsiadou et al., 2010).

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Pinna nobilis - Axones Anaptixis Show - ERTFLIX
Pinna nobilis - Main Causes of Population Shrinkage!
1. DISEASES
2. MAN-MADE PRESSURES
3. HABITAT DESTRUCTION
4. ILLEGAL FISHING
ΙNNOVATIVE ACTIONS FOR THE MONITORING-RECOVERING – ENHANCEMENT OF THE NATURAL RECRUITMENT OF THE ENDANGERED
SPECIES (FUN MUSSEL) PINNA NOBILIS.
Greek Operational Programme for Fisheries and Sea 2014-2020
MIS 5052394
University of Patras

Aristotle University of Thessaloniki

University of Crete

Department of Fisheries and Aquacutlure, University of Patras
Biology Department, Aristotle University of Thessaloniki

Laboratory Course in Marine Biology, Department of Biology, University of Crete
