- ... that symbiotic moss animals live on setae on the antennae, mouthparts and legs of the crab Goneplax rhomboides (pictured)?
- ... that millipedes in the genus Desmoxytes give off an almond-like smell as they produce hydrogen cyanide to ward off predators?
- ... that the extinct arachnid Attercopus was once considered as the world's oldest spider?
- ... that the extinct sandfly species Lutzomyia adiketis is host to the Paleoleishmania species P. neotropicum?
- ... that all species of the fruit fly genus Zaprionus have the same characteristic white stripes over the head and thorax?
- ... that the invasive crayfish Orconectes immunis can outcompete the earlier invader O. limosus?