252mya: Eumecichthys fiski Artwork by Franz Anthony / @franzanth The unicorn crestfish lives in open
252mya:Eumecichthys fiskiArtwork by Franz Anthony / @franzanthThe unicorn crestfish lives in open water at around 1000 m (3300 ft) deep. Despite its slender body, fossils suggest that its early relatives looked more like their shorter, round-bodied cousin, the opah.—252MYA.com -- source link