Unctuous Sucker, Cyclopterus liparis
1803
Created in 1803 by naturalist Edward Donovan, this illustration of the 'Unctuous Sucker' (now known as the lumpfish) is a hilarious example of early scientific naming. The top view showcases the fish's wavy blue stripes and long, fringed fins, while the bottom view reveals a circular suction cup on its belly—modified pelvic fins used to cling to rocks. The word 'unctuous' refers to the fish's slimy, oily skin, making this a scientifically accurate but somewhat insulting portrait of a creature that looks like a striped tadpole with a vacuum cleaner attached.
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