noun Any of various fish with yellow fins. especially, yellowfin tuna (Thunnus albacares, in family Scombridae) yellowfin bream, any of several species in family Sparidae yellowfin croaker (Umbrina roncador, in family Sciaenidae) yellowfin cutthroat trout (†Oncorhynchus clarkii macdonaldi, in the family Salmonidae) yellowfin fairy wrasse (Cirrhilabrus flavidorsalis, in family Labridae) yellowfin grouper (Mycteroperca venenosa, in family Serranidae) yellowfin madtom (Noturus flavipinnis, in family Ictaluridae) yellow-fin perchlet (Ambassis elongatus, in family Ambassidae) yellowfin pike (Dinolestes lewini, in family Dinolestidae) yellowfin sea bream, any of several species in family Sparidae yellowfin sole (Limanda aspera) yellowfin surgeon (Acanthurus xanthopterus, in family Acanthuridae) yellowfin whiting (Sillago schomburgkii, in family Sillaginidae)
noun especially, yellowfin tuna (Thunnus albacares, in family Scombridae)
noun yellowfin bream, any of several species in family Sparidae
noun yellowfin croaker (Umbrina roncador, in family Sciaenidae)
noun yellowfin cutthroat trout (†Oncorhynchus clarkii macdonaldi, in the family Salmonidae)
noun yellowfin fairy wrasse (Cirrhilabrus flavidorsalis, in family Labridae)
noun yellowfin grouper (Mycteroperca venenosa, in family Serranidae)
noun yellowfin madtom (Noturus flavipinnis, in family Ictaluridae)