The self-proclaimed first highlight of a new study is this:
The Pacific leaping blenny, Alticus arnoldorum, is a land fish.
The study is:
“Natural selection in novel environments: predation selects for background matching in the body colour of a land fish,” Courtney L. Morgans and Terry J. Ord, Animal Behaviour, epub October 23, 2013.
Here, in chart form, is that very land fish and some of its family, as grouped by the authors of the study:
BONUS: Land shark: