Sucker, Ocellated, Cyclopterus Ocellatus
1803
Edward Donovan captured the quirky charm of the Ocellated Sucker in this 1803 natural history illustration. The top fish stares out with bulging, almost cartoonish eyes and a spotted body, while the bottom one is flipped over to reveal its namesake feature: a large suction cup on its belly. This specialized disc, actually formed from modified pelvic fins, allowed the fish to cling tightly to rocks in turbulent waters so it wouldn't get washed away. It's a delightful mix of scientific accuracy and artistic flair, showing us how early naturalists documented the weird and wonderful creatures of the sea.
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