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Season 3 · Episode 6

0.030mNovember 11, 1984
A "Fish" is such a standard shape that we seldom think how ancient, yet how perfectly modern, is this superbly successful design. Here we see its most incredible variations, from the largest "living fossils" -- huge, prehistoric Alligator Gar -- to the smallest -- the dazzlingly colorful Darters. This underwater exploration leaves us marvelling at their adaptations.