According to reports, the following 16 species have extended their distribution to other Mediterranean areas or have made a new appearance in other regions. The first category includes the following organisms: The rare and common Indo-Pacific seaweed Codium arabicum (Lebanese coasts), the acari Thalassarachna affinis (Marmara Sea), and the non-indigenous nudibranch Flabellina rubrolineata, which has also been found in many oth...

This paper concerns records of species that have extended their distribution in the Mediterranean Sea. The finding of the rare brackish angiosperm Althenia filiformis in the island of Cyprus is interesting since its insertion in the Red Data Book of the Flora of Cyprus is suggested. The following species enriched the flora or fauna lists of the relevant countries: the red alga Sebdenia dichotoma (Greece), the hydrachnid mite P...

New records of marine mites of the family Pontarachnidae Koenike, 1910 (Acari: Hydrachnidia) from the southern Black Sea (Sinop bay, Turkey) are presented. Two species, i.e., Pontarachna valkanovi Petrova, 1978 and Pontarachna adriatica Morselli, 1980 are recorded for the first time from Turkey. These are the first records of these species after its orginal description. Our study shows ecological differences between these spec...