Ocenebra inornata explained

Ocenebra inornata common names the "Asian drill", the "Asian oyster drill", the "Japanese oyster drill" and the "Japanese oyster borer", is a species of small predatory sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

This species is native to Asia (Japan and Korea), but it has become a notorious introduced pest species in oyster beds in the western USA and Europe.

References

• Tryon, G.W. Jr. (1880) Muricinae, Purpurinae. Manual of Conchology, Structural and Systematic, with Illustrations of the Species. Vol. 2. Tryon, Philadelphia, 289 pp., 70 pls. page(s): 256
• Houart R. & Sirenko B.I. (2003) Review of the Recent species of Ocenebra Gray, 1847 and Ocinebrellus Jousseaume, 1880 in the Northwestern Pacific. Ruthenica 13(1): 53–74.
• Streftaris, N.; Zenetos, A.; Papathanassiou, E. (2005). Globalisation in marine ecosystems: the story of non-indigenous marine species across European seas. Oceanogr. Mar. Biol. Annu. Rev. 43: 419-453
• Houart R. (2011) Ocenebra, Pteropurpura, and Ocinebrellus (Gastropoda: Muricidae: Ocenebrinae) in the northwestern Pacific. American Conchologist 39(4): 12–22.