Ko e fanga veʻe hongofulu (decapoda), ko e holongā ia mei he ʻuo moʻoni. ʻOku 16 ʻa e ngaahi vaʻe moʻoni ʻo e ʻuo moʻoni, ka ʻoku toe pē 10 ki he ngaahi faʻahinga ʻeni. Ko e toenga, ko e ngaahi vaʻe ʻe ono ʻi muʻa, naʻe nau hoko ʻa e kiʻi 'nima', ʻoku nau tokoni ʻi he maʻu meʻakai (ko e monumanu kai kiki ʻa kinautolu) pea ʻave ki he ngutu. ʻOku lahi ʻa e ngaahi faʻahinga naʻe hoko ʻa e ongo vaʻe ʻi muʻa ki he nifo.