The spotted codlet, MacClelland's unicorn-cod, or unicorn cod, Bregmaceros mcclellandi, is a small, deepwater codlet fish found in the western Indian Ocean to eastern Thailand. It occurs from the surface to depths of , and it reaches up to in standard length. This species is of commercial importance to local fisheries.Tony Ayling and Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982)

Etymology The fish's name is based on a manuscript name by Danish naturalist Theodor Edvard Cantor (1809–1860), in honor of his friend John McClelland (1805–1875), a physician and ichthyologist, "whose researches in the Biology and Geology of India are well known".

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