wahoo [UK and USA] – synonym of Acanthocybium solandri
wedge sole [UK and USA] – synonym of Dicologlossa cuneata
werner's smooth-head [UK and USA] – synonym of Conocara werneri
west african goatfish [UK and USA] – synonym of Pseudupeneus prayensis
west african spanish mackerel [UK and USA] – synonym of Scomberomorus tritor
whalesucker [UK and USA] – synonym of Remora australis
whipsnout sorcerer [UK and USA] – synonym of Venefica proboscidea
whiskered sole [UK and USA] – synonym of Monochirus hispidus
white grouper [UK and USA] – synonym of Epinephelus aeneus
white hake [UK and USA] – synonym of Urophycis tenuis
white marlin [UK and USA] – synonym of Tetrapturus albidus
white sea bream [UK and USA] – synonym of Diplodus sargus
White skate [UK and USA] – synonym of Raja alba
white suckerfish [UK and USA] – synonym of Remorina albescens
White-headed hagfish [UK and USA] – synonym of Myxine ios
whiting [UK and USA] – synonym of Merlangius merlangus
wide-eyed flounder [UK and USA] – synonym of Bothus podas
wijting [Netherlands and Belgium] – synonym of Merlangius merlangus
witch [UK and USA] – synonym of Glyptocephalus cynoglossus
witje [Netherlands and Belgium] – synonym of Glyptocephalus cynoglossus
witte koolvis [Netherlands and Belgium] – synonym of Pollachius pollachius
worm pipefish [UK and USA] – synonym of Nerophis lumbriciformis
wrek fish [UK and USA] – synonym of Polyprion americanus