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Two relatively rare Mediterranean gastropods, Cima cylindrica and Cima minima (family Cimidae) have been found in samples collected near the shore at Phaselis. These are the first records of these species from the coasts of Türkiye.

This Collective Article presents information on 20 taxa belonging to five (5) Phyla: Cnidaria (2), Mollusca (8), Arthropoda (4), Echinodermata (1) and Chordata (5) recorded from the Alboran Sea to the Levantine Sea. These new records were found in seven (7) different ecoregions as follows: Alboran Sea: new record of the rare football octopus Ocythoe tuberculata in the harbour of Algeciras (Spain) ; Western Mediterranean Sea: first record of the isopod Arcturinella deltensis in the Ligurian Sea, and the third 969Medit. Mar. Sci., 23/4 2022, 968-994in the whole Mediterranean Sea ; third Mediterranean site for the MuricidaeCoralliophila ahuiri along the Italian coasts (Alghe-ro) ; first and westernmost record of the goby Corcyrogobius liechtensteini from the Iberian Peninsula ; new record of the sea slug Glaucus atlanticus from the coast of the Iberian Peninsula ; first and easternmost record of Holothuria (Vaneyothuria) lentiginosa lentiginosa along the Italian coasts ; Tunisian Plateau/Gulf of Sidra: seventh record of the oceanic squid Thysanoteuthis rhombusin Tunisia, and first for the Gulf of Gabes. Ionian Sea: second occurrence of the Atlantic tripletail Lobotes surinamensis in the Ionian Sea and first record from the Strait of Messina area ; new record of the rare sea elephant Pterotrachea coronata from the Strait of Messina ; Adriatic Sea: first record of a facies of football ascidian Diazona violacea in the South Adriatic Sea (Tremiti Island, Italy) ; two records of the sevengill shark Heptranchias perlo in Croatian waters after more than 70 years of absence of documented records in this area ; first known occurrence of the nudibranch Jalonus hyalinus in Slovenian waters and also the first known occurrence of this species in the Adriatic Sea ; first record of the nudibranch Okenia elegans in Slovenian waters ; Aegean Sea: First record of the parasitic isopod Nerocila milesensis along Greek coasts (Crete island) as well as the second record world-wide ; additional record of the brachyuran Paragalene longicrura collected from the Saronikos Gulf (Greece) ; first record of the siphonophore Rhizophysa filiformis in Greek waters as well as the second record of this species in the eastern Mediterranean basin ; new record of the rare and protected angelshark Squatina aculeata along Turkish coasts ; Levantine Sea: first record of the marine amphipod Caprella andreae in the Levantine Mediterranean shore of Israel, based on both morphological and molecular data ; first occurrence of the cephalopod Tremoctopus violaceus along Turkish coasts, which confirms its presence in the north-eastern coasts of Turkey ; record of a bloom of the thermophilic jellyfish Pelagia noctiluca in the north Levantine Sea.

This Collective Article includes records of 29 alien and cryptogenic species in the Mediterranean Sea, belonging to eight Phyla (Rhodophyta, Ochrophyta, Cnidaria, Annelida, Mollusca, Arthropoda, Echinodermata, and Chordata) and coming from 11 countries. Notes published here can be divided into three different categories: occupancy estimation for wide areas, new records for the Mediterranean Sea, and new records of species expanding within the Mediterranean Sea. The first category includes a visual survey held along the coastline of Peloponnese (Greece), which yielded records of 15 species. The second category includes the first Mediterranean records of the Coho salmon Oncorhynchus kisutch (Greece) and of the Arabian monocle bream Scolopsis ghanam (Tunisia). The third category includes new records for countries (Ganonema farinosum in Malta, Cassiopea andromeda in Libya, Cingulina isseli in Greece, Okenia picoensis in Italy, Callinectes sapidus in Slovenia, Charybdis cf. hellerii in Malta, Urocaridella pulchella in Cyprus, Ablennes hians and Aluterus monoceros in Lebanon, and Fistularia petimba in Greece and Lebanon), new records for MSFD areas or regional seas (Septifer cumingii in the Greek Ionian Sea and F. petimba in the Marmara Sea), and confirmation of old, doubtful, or spurious records/statements (Branchiomma luctuosum in Tunisia, Thalamita poissonii in the Saronikos Gulf, and Pterois miles in Albania). Noteworthy, the three new records of F. petimba suggest that it may soon spread further in the Mediterranean Sea, as already happened for its congeneric Fistularia commersonii. Distributional data reported here will help tracing colonization routes of alien species in the basin and may facilitate the development of mitigation measures., peer-reviewed

This article includes 23 new records of alien and cryptogenic species in the Mediterranean Sea, belonging to 4 Phyla (Chordata, Echinodermata, Arthropoda and Mollusca), distributed from the Alboran to the Levantine Sea. Records are reported from eight countries listed from West to East as follows: Algeria: new records of the Atlantic blue crab Callinectes sapidus; Spain: further spread and establishment of the sea slug Lamprohaminoea ovalis in continental shores; Tunisia: first record of the Atlantic Blue Crab Callinectes sapidus in the Gulf of Gabes; Italy: a new occurrence of the pufferfish Lagocephalus sceleratus in Northern Ionian waters; first record of Cephalopholis taeniops in the Ionian Sea; first record of the redlip blenny, Ophioblennius atlanticus in the Ionian Sea; Slovenia: first record of the isopod Paranthura japonica in Slovenia; Greece: first record of the molluscs Eunaticina papilla, Plocamopherus ocellatus and the fish Cheilodipterus novemstriatus; first record of the ascidian Ecteinascidia turbinata in Kriti; the long-spined sea urchin Diadema setosum in the Ionian Sea; Turkey: first record of the sea spider Ammothea hilgendorfi; the stomatopod Cloridina cf. ichneumon; the fishes Pempheris rhomboidea from the Sea of Marmara and Paranthias furcifer from the Aegean Sea; Lebanon: new records of the fishes Arothron hispidus, Rachycentron canadum, Heniochus intermedius and Acanthurus monroviae; first record of Acanthostracion polygonius. The records of Cloridina cf. ichneumon from southern Turkey and the fish Acanthostracion polygonius from Lebanon, both being the first Mediterranean records, are noteworthy.

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WOS: 000504749700017, This paper is a collection of novel distributional records of 20 species belonging to 8 phyla (Chlorophyta, Rhodophyta, Cnidaria, Ctenophora, Annelida, Mollusca, Arthropoda and Chordata) from 11 Mediterranean countries, namely, Spain: an additional record of the Canary dentex Dentex canariensis is reported from Spain (Valencia), this is the northernmost record of this species in the Mediterranean; Algeria: the first documented record of Caulerpa chemnitzia is reported from the Algerian coast; France: the first record of the Spotted sea hare Aplysia dactylomela is reported from the eastern coast of Corsica; Italy: the first records of the Lessepsian polychaete Dorvillea similis and the alien bivalve Isognomon legumen are reported from Italian waters while additional records of Mnemiopsis leidyi in the south Adriatic are provided; Libya: the first record of an alien mollusc Crepidula fornicata is reported from Libyan waters; Malta: multiple sightings of gelatinous species Apolemia uvaria, Phacellophora camtschatica and Physophora hydrostatica are reported for the first time from Maltese waters, as well as the first tentative record of the Orange-spotted grouper Epinephelus cfr. coioides; Greece: an occurrence of a rare Bigeye thresher shark Alopias superciliosus is reported from Hellenic Ionian waters, while the first records of the alien Mertens' prawn-goby Vanderhorstia mertensi, the recently described cyclopoid copepod Oithona davisae and the alien red seaweed Asparagopsis armata are reported from the Aegean Sea. The presence of the micromollusc Euthymella colzumensis is confirmed for Greece; Cyprus: the first record of the red cornetfish Fistularia petimba is reported from Cyprus; Turkey: the first record of the alien jellyfish Marivagia stellata is reported from south-eastern Turkey; Israel: the first records of the sea nettle Chrysaora sp. in the Levant are reported., International Ocean Institute (IOI); Croatian Science Foundation (HRZZ) [IP-2016-06-5251]; Regione Autonoma Friuli Venezia Giulia; Israel Society of Ecology and Environmental Sciences; GoJelly project-EU Horizon 2020 [774499], Langeneck J. and Tempesti J. are grateful to M. El-Metwally and J. Ferrario for providing Red Sea specimens of D. similis, and to M. Lezzi for his support in the preparation of permanent slides. Deidun A. and Piraino S. wish to thank Mr. Pete Bullen (www.oceanfoto.co.uk), Roy Davidson, Hans Messler, Alexander Ferrante and Lyndsey Bee for making their photographs of the three gelatinous species in caption available to the authors, as well as to the International Ocean Institute (IOI) for sponsoring the Spot the Jellyfish campaign since 2010. Thanks are also due to Andre C. Morandini (Brasil) for supporting advice on P. camtschatica identification. Deidun A. and Zava B. are indebted to the angler Romario Pace for donating the photo of the fish individual reported hereunder. Dragicevic B. and Dulcic J. are thankful to Mr. Nikola Cvitan who provided photographs and videos of the specimen as well as additional information. Their work was partly supported by the Croatian Science Foundation (HRZZ) under project IP-2016-06-5251. Tirelli V. and Goruppi A. wish to thank the citizen scientists for providing sightings and photographic material through avvistAPP (Michele Cravati, V. D., Vincenzo Frezza, S. I., R. M., S. M., I. T. and C. V.) and the Regione Autonoma Friuli Venezia Giulia for funding the NOCE di MARE project. Michailidis N. and Manitaras I. thank fishmonger George Karamanos and fisher Christos Efrem for providing the specimen and information on its catch. Edelist D., Kuplik Z., Guy-Haim T. and Angel D. thank Dror Gilat and Inbar Margulis for recording and sharing their observations, and Mark J Gibbons, Andre C Morandini and Stefano Piraino for their useful taxonomic contributions. "Medusot Baam" is funded by the Israel Society of Ecology and Environmental Sciences, as well as the GoJelly project -EU Horizon 2020 grant No 774499.

The whole molluscan assemblages along the Turkish coasts of the Aegean Sea and the Levantine Sea (Southern Turkish coasts), were studied from 20 stations at depths ranging from 11 m to 69 m, between August and October 2014. This has resulted in new contribution to Mediterranean marine molluscan fauna. Crithe cossinea is a new lessepsian for the Mediterranean Sea, five Gastropoda (Melanella alba, Mangelia callosa, Mangelia tenuicosta, Clathromangelia loiselieri, Raphitoma bicolor) are new records for Turkish Seas, two Gastropoda (Ondina obliqua, Retusa nitidula) are new records for the Aegean Sea while another two Gastropoda (Alvania hispidula, Vexillum hypatiae) are new records for the Turkish coast of the Aegean Sea and four Gastropoda (Cerithiopsis fayalensis, Bela menkhorsti, Raphitoma aequalis, and the alien species Monotygma fulva) are new records for the Turkish coasts of Levantine Sea. Among Bivalvia species, Thyasira alleni is a new record for both seas and Pitar mediterraneus is a new record for the Turkish coasts of Levantine Sea. The present study contributes to molluscan fauna of Turkish waters by the addition of six more species, increasing their number to 1076.

The present work updates the number of alien molluscs reported in the eastern Mediterranean since 2012 andbrings the total to more than 100 species in the Levantine Turkish Coast. Ervilia scaliola Issel, 1869, widespread in the RedSea, was collected in August 2013 from Taşucu Harbour, Levantine coast of Turkey. This is the first record of E. scaliolain the Mediterranean Sea. Although shipping appears to be the most probable vector of its introduction, Lessepsianmigration cannot be ruled out as a pathway.

Heliacus (Gyriscus) jeffreysianus (Tiberi, 1867), a rare architectonicid species associated with Corallium rubrum (L., 1758), has been rediscovered alive off Crete, eastern Mediterranean.