At least 20 species of trematode compete to parasitize and castrate marine horn snails (Cerithideopsis species), and such predatory interactions are more frequent in the temperate zone than the ...

37% of Socotra’s plant species, 90% of its reptile species and 95% of its land snail species do not occur anywhere else in the world. Socotra is of particular importance to the Horn of Africa’s ...