Hydroginella
Hydroginella is a genus of marginellid minute sea snails, marine gastropod mollusks in the subfamily Austroginellinae of the family Marginellidae, the margin snails.
Hydroginella caledonica can parasitize sleeping fishes of the families Scaridae, Serranidae and Pomacentridae at coral reefs in New Caledonia by night. This snail is able to inserts its proboscis in the fish flesh and probably pumps some body fluids.
Species
Species within the genus Hydroginella include:Hydroginella agulhasensis Hydroginella angustata Boyer, Wakefield & McCleery, 2003Hydroginella bullata Boyer, Wakefield & McCleery, 2003Hydroginella caledonica Hydroginella chiapponii T. Cossignani & Lorenz, 2021Hydroginella columnaria Hydroginella cypraeaformis Boyer, 2015Hydroginella dedicata Boyer, 2018Hydroginella delessertiana Hydroginella dispersa Laseron, 1957Hydroginella dufresnei Boyer, 2015Hydroginella fascicula Hydroginella galatea Lussi & Smith, 1999Hydroginella gemella Boyer, 2001Hydroginella guttula Hydroginella limata Hydroginella marina Lorenz & Kostin, 2007Hydroginella marionae Boyer, 2015Hydroginella mixta Hydroginella musorstomi Boyer, Wakefield & McCleery, 2003Hydroginella osteri Hydroginella richeri Boyer, 2001Hydroginella rugosa Boyer, Wakefield & McCleery, 2003Hydroginella scintilla Hydroginella sordida Hydroginella sterbai T. Cossignani & Lorenz, 2021Hydroginella superstes Hydroginella tridentata Hydroginella unica Boyer, Wakefield & McCleery, 2003Hydroginella vincentiana Hydroginella vitiensis Boyer, Wakefield & McCleery, 2003Hydroginella wareni Boyer, Wakefield & McCleery, 2003;Species brought into synonymy:Hydroginella dawnbrinkae Massier, 1993: synonym of Hydroginella agulhasensis Hydroginella electrina : synonym of Hyalina electrina Hydroginella roselineae Cossignani, 2009: synonym of Hydroginella scintilla Hydroginella tropica Laseron, 1957: synonym of Dentimargo tropicus Hydroginella tuii Cossignani, 2001: synonym of ''Serrata tuii''