Opsanus

Opsanus is a genus of toadfishes found in the western Atlantic Ocean. It currently has six recognised species, with the latest one described in 2005.

==Species== The recognized species in this genus are: Opsanus beta (Goode & T. H. Bean, 1880) (Gulf toadfish) Opsanus brasiliensis Rotundo, Spinelli & Zavala-Camin, 2005 (considered by some sources to be a junior synonym of O. tau) Opsanus dichrostomus Collette, 2001 (bicolor toadfish) Opsanus pardus (Goode & T. H. Bean, 1880) (leopard toadfish) Opsanus phobetron Walters & C. R. Robins, 1961 (scarecrow toadfish) Opsanus tau (Linnaeus, 1766) (oyster toadfish) The earliest fossil remains of Opsanus are from the early-to-mid Miocene-aged Choptank Formation of Maryland, US.