. "Tyson belos (Tyson's wriggler or arrow wriggler) is a species of fish in the monotypic genus Tyson of the Xenisthmidae (wriggler) family. Tyson\u2019s wriggler was discovered in 1983. It moves by wriggling, like other wrigglers. The genus is named for American ichthyologist Tyson R. Roberts; the specific epithet belos is Greek for \"arrow\"."@en . . . . . .