Image: Mouth of a Lamprey

Mouth of a Lamprey

The mouth of a preserved and dissected lamprey in the Macleay Museum collection, Sydney University (NHF.1731)

Mark McGrouther
© Australian Museum


Hagfishes and lampreys have have horny teeth in their jawless mouths.  The teeth on the tongues of lampreys are used to rasp a hole in their prey, usually other vertebrates.


  • Helfman, G.S, Collette, B.B., Facey, D.E. and B.W. Bowen. 2009. The diversity of fishes: biology, evolution and ecology. 2nd edn. Wiley-Blackwell, Chichester. Pp. 720.

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Tags fishes, ichthyology, Lamprey, teeth, Petromyzontidae, odd-shaped, brown spots, brown,