Forsterygion is a genus of triplefins in the family Tripterygiidae native to coastal New Zealand, but also introduced to Tasmania, Australia.
Species The following species are classified in this genus: Spotted robust triplefin, Forsterygion capito (Jenyns, 1842) Yellow-and-black triplefin, Forsterygion flavonigrum Fricke & Roberts, 1994 Tasmanian robust triplefin, Forsterygion gymnotum Scott, 1977 Common triplefin, Forsterygion lapillum Hardy, 1989 Mottled triplefin, Forsterygion malcolmi Hardy, 1987 Oblique-swimming triplefin, Forsterygion maryannae (Hardy, 1987) Estuarine triplefin, Forsterygion nigripenne (Valenciennes, 1836) Striped triplefin, Forsterygion varium (Forster, 1801)
Etymology The name of this genus is an amalgam of Forster (in honour of Johann Reinhold Forster (1729–1798), a naturalist aboard Captain Cook’s second voyage on who collected the type on this voyage, describing it and naming it Blennius varius) – and -ygion, the second part of the genus Tripterygion, into which F. varius and F. nigripenne had been placed.
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