Malthopsis
Introduction '''''Malthopsis''''' is a genus of batfishes with a wide distribution in the world's oceans. In 2021, five new species were described from Australia and ''M. provocator'' was resurrected from synonymy with ''M. lutea''.
Species There are currently 22 recognized species in this genus:* ''Malthopsis annulifera'' Tanaka (I), 1908*''Malthopsis apis'' H.-C. Ho & Last, 2021*''Malthopsis arrietty'' H.-C. Ho, 2020*''Malthopsis asperata'' H.-C. Ho, Roberts & Shao, 2013 (Roughspine batfish)*''Malthopsis austrafricana'' H.-C. Ho, 2013 (Southern African triangular batfish)*''Malthopsis bradburyae'' H.-C. Ho, 2013 (Bradbury's triangular batfish)*''Malthopsis bulla'' H.-C. Ho & Last, 2021*''Malthopsis formosa'' H.-C. Ho & Koeda, 2019* ''Malthopsis gigas'' H.-C. Ho & Shao, 2010 (Giant triangular batfish)* ''Malthopsis gnoma'' Bradbury, 1998* ''Malthopsis jordani'' Gilbert, 1905* ''Malthopsis kobayashii'' Tanaka (I), 1916* ''Malthopsis lutea'' Alcock, 1891 (Longnose seabat)*''Malthopsis mcgroutheri'' H.-C. Ho & Last, 2021*''Malthopsis mitrigera'' Gilbert & Cramer, 1897 (Twospine batfish)*''Malthopsis oculata'' H.-C. Ho & Last, 2021* ''Malthopsis parva'' H.-C. Ho, Roberts & Shao, 2013 (Arrowhead batfish)*''Malthopsis provocator''  (Longnose seabat)* ''Malthopsis retifera'' H.-C. Ho, Prokofiev & Shao, 2009 (Reticulate triangular batfish)*''Malthopsis tetrabulla'' H.-C. Ho & Last, 2021*''Malthopsis tiarella'' Jordan, 1902 (Spearnose seabat)*''Malthopsis velutina'' H.-C. Ho, 2020
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