yarrell's blenny [UK and USA] – synonym of Chirolophis ascanii
yellow chub [UK and USA] – synonym of Kyphosus sectator
yellow jack [UK and USA] – synonym of Caranx hippos
Yellow sea chub [UK and USA] – synonym of Kyphosus incisor
yellow sole [UK and USA] – synonym of Buglossidium luteum
yellow-gurnard [UK and USA] – synonym of Trigla lucerna
yellowfin tuna [UK and USA] – synonym of Thunnus albacares
yellowmouth barracuda [UK and USA] – synonym of Sphyraena viridensis