Chiam-chhùi hái-ang, Ziphiidae kho ê hái-ang, pun 6 ê sio̍k, 20-goā-ê chéng, sī hái-ti í-goā siōng toā ê Cetacea kho. In kiám-chhái sī bo̍k-chêng liáu-kái siōng chhián ê toā-hêng chhī-leng tōng-bu̍t. Ū kúi-ā-ê chéng sī choè-kīn 20 tang chiah khai-sí ū kì-chài, hoān-sè iáu-ū kî-thaⁿ ê chéng boē hoat-hiān.
