幼魚: young fish / 養魚: fish farming, fish breeding, fish culture, pisciculture

The hiragana syllable ぎょ (gyo). Its equivalent in katakana is ギョ (gyo).

人魚: a merperson

作業: work, operation / サ行: the words starting with sa

作業: work

実業家: industrialist; businessman

(manufacture) unnecessary usage of material, as from inefficient design or a worn mold; waste

mutton

butcher (a person who prepares and sells meat)

blood relation, blood relative