unfishlikeadj.
Etymology: Previous versions of the OED give the stress as: unˈfishlike.
the world > animals > fish > [adjective] > not like a fish
1874 J. G. Wood 621 A creature so unfishlike that its real position..was long undecided.
This entry has not yet been fully updated (first published 1921; most recently modified version published online June 2019).