Offbeat Unicorn

For those who like unicorns with sharp hooves and mystery

Did you know that there is a “Unicorn crestfish”? Eumecichthys fiski is a real, though rare species lurking off the coast of South Africa and Australia, 1000 metres deep.

Check out this beauty:

Head of a Unicorn Crestfish, Eumecichthys fiski. Source: Eric Woroch, US NMFS-PIRO Observer Program / Wikimedia Commons. License: Public Domain

Encyclopaedia Britannica notes that they are “herbivorous algae eaters.” while Fishes of Australia describes their exciting superpower: “As a defence against predators, the Unicorn Crestfish can expel black fluid from around the anus.” Much better than farting rainbows.

For more on this species, check out:

Bray, D.J. 2017, Eumecichthys fiski in Fishes of Australia, accessed 23 Jul 2019,

Davesne, Donald. “A fossil unicorn crestfish (Teleostei, Lampridiformes, Lophotidae) from the Eocene of Iran.” PeerJ 5:e3381; DOI 10.7717/peerj.3381

Froese, R. & D. Pauly (Editors). (2019). FishBase. World Wide Web electronic publication. version (02/2019)., available online at

“Unicorn fish.” Encyclopaedia Brittanica. 18 May 2011. Accessed 23 Jul 2019,

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