See you later, alligator! Reptile threats posed by the alligator snapping turtle (Macrochelys temminckii) introduced in the Republic of Korea, and the Montpellier snake (Malpolon monspessulanus) in a protected area in Mallorca.

Islands with no ants? Sadly, no more: the discovery of six ant (Hymenoptera, Formicidae) species on the Faroe Islands.

From classical collections to citizen science: change in the distribution of the invasive blowfly (Chrysomya albiceps) in Chile.

The first extensive survey (1970–1971) of intertidal invertebrates of San Francisco Bay, California, USA.

Bad news about ambrosia beetles: their continued eastward spread in Europe and new records from China are raising concerns among scientists and stakeholders.

Spring is making even algae news blossom! The invasions of the non-indigenous red alga (Lophocladia lallemandii) in the Island of Ischia (Italy) and two macroalgaes (Lophocladia lallemandii and Sarconema filiforme) together with the spaghetti bryozoan (Amathia verticillate) are affecting the Gulf of Gabès (Tunisia).

Bad news for farmers, as the fall armyworm (Spodoptera frugiperda) has been found to attack maize in northern Malaysia, and the South American tomato pinworm (Tuta absoluta) is damaging crops of the Democratic Republic of Congo.

Latest on fish! An alarming mariculture breach of the alien barramundi (Lates calcarifer) at the Northern Red Sea. A critical review of the genus Abudefduf in the Mediterranean Sea. Record of three non-native fish species (Cincelichthys pearsei, Parachromis managuensis, and Pterygoplichthys disjunctivus) from Mexico.

Alien decapods everywhere. The first record of the golden crayfish (Faxonius luteus) in South Dakota. Three exotic decapods (Callinectes sapidus, Portunus segnis, and Trachysalambria palaestinensis) in northern Tunisia. The first record of the American lobster (Homarus americanus) from the eastern Mediterranean Sea

Bivalves on the news. An outbreak of Perna perna in the Eastern Mediterranean, and additional records of Mytilopsis leucophaeata and Arcuatula senhousia in the Ponto-Caspian region.

Still on mollusks but moving on to terrestrial sites: the occurrence of two European invasive slug species (Arion vulgaris and Arion intermediu) in Mexico, and the invasion of the exotic slug, (Laevicaulis haroldi) in the Sunderban Biosphere Reserve, India.

News from all over the globe. An emerging weed (Amaranthus palmeri) in southern Africa and the Amblycerus robiniae has established in Europe.