vulgaris is a junior synonym of Ameiurus nebulosus, which is not native to Mississippi (Gilbert 1998:227) (although it has recently been introduced into the state [Ross 2001:309]), whereas ailurus is a junior synonym of Ameiurus natalis, which is widespread and common in the state.
Year Species 1941 1997 1998 Amia calva X Ctenopharyngodon idella X Erimyzon sucetta X Umbra limi X X Esox americanus X X X Esox lucius X X X Fundulus dispar X Fundulus notatus X Ameiurus nebulosus X Lepomis gulosus X X Lepomis macrochirus X X X Lepomis gibbosus X X Lepomis microlophus X Micropterus salmoides X X X Pomoxis annularis X Pomoxis nigromaculatus X Total species 7 8 10 Table 2.