Yaeyama blenny Yaguajal limia Yakati rainbowfish Yakutian char Yaldwyn's triplefin Yamabuki Ogon Koi Yanaginomai Yangambi butterbarbel Yangtze sturgeon Yano’s cheek-hook goby Yano’s starry goby Yano's snipe eel Yantai stingray Yaoshania pachychilus Yapen rainbowfish Yaqui catfish Yaqui chub Yaqui sucker Yarra pygmy perch Yarrell's blenny Yaté's goby Yawning Yawning stardrum Yazoo darter Yazoo shiner Y-bar moray Y-bar shrimp goby Y-Barred Sandperch Yellow acara Yellow and blueback fusilier Yellow angelfish Yellow banded spiny eel Yellow barb Yellow barbell Yellow bass Yellow bass (Hybrid) Yellow basslet Yellow Batasio Yellow belly cichlid Yellow blenny Yellow bobo Yellow boxfish Yellow bullhead Yellow cardinalfish Yellow catfish Yellow chromis Yellow cichlid Yellow clownfish Yellow conger Yellow croaker