An amazing dataset comprising of 5376 unpublished Mediterranean records of marine alien and cryptogenic species is now free to download - take a look at the data-paper from our Editor-in-chief, Stelios Katsanevakis, and his collaborators.

 Crabs and snails - DNA analyses dated the invasion of Hemigrapsus oregonensis in Texas to the early 1900s. Meanwhile the invasive Atlantic blue crab (Callinectes sapidus) is colonizing the Balearic Islands (Spain). New hints for the correct morphological identification of the alien Semisulcospira snails from Japan.

 Herpetoinvasions! Management priorities for introduced Asian house geckos (Hemidactylus frenatus) in north-western Australia. A feral population of the American bullfrog (Lithobates catesbeianus) discovered in a protected area in Ecuador. The first record of the Asian common toad (Duttaphrynus melanostictus) in Abu Dhabi. New record of the snapping turtle (Chelydra serpentina) in the Republic of Korea.

 Lots of news on alien fishes! Records from Sicily point to the rapid expansion of fangtooth moray (Enchelycore anatina) within the Mediterranean. What is on the menu of an alien fish? Discover it on the new publication on the alien goatfish Parupeneus forsskali. A known fish pest (the silver-cheeked toadfish Lagocephalus sceleratus) at the Atlantic gate. The first documented capture of the genus Elops from the Mediterranean and the first reports of the gulf toadfish (Opsanus beta) from Rio de Janeiro and alien weatherfish (Misgurnus) in Austria. The discovery of a reproducing wild population of the swamp eel (Amphipnous cuchia) in North America.

 Records of alien plants - two new Cornus species from Lithuania and the updated distribution of the Chinese ragwort (Sinacalia tangutica) in Austria.

Microscopic aliens - First record of the terrestrial nemertean (Geonemertes pelaensis) from Cuba, the calanoid copepod (Sinodiaptomus sarsi) in Romania, and the freshwater polychaete (Namalycastis hawaiiensis) in Israel. The North American rotifer (Kellicottia bostoniensis) is spreading in Brazil through neotropical basins.

 Crayfish news! The first records of the red swamp crayfish (Procambarus clarkii) in Tunisia and from a small circum-Sardinian island, and a temnocephalid flatworm (Craspedella pedum) infecting it in Thailand. Redclaw crayfish (Cherax quadricarinatus) has established in the SE Gulf of California, Mexico.

 Under the sea… The first confirmed record of the ragged sea hare (Bursatella leachii) in Libyan waters and the ivory barnacle (Amphibalanus eburneus) in Albania.

Please visit our website and download Vol. 9, Issue 2 of BioInvasions Records – it's Open Access!