Arrow goby Arrow loach Arrow stargazer Arrow wriggler Arrowhead dogfish Arrowhead shovelnose Arrowhead soapfish Arrowhead triangular batfish Arrowtail Arrowtooth Eel Arrowtooth fangblenny Arrow-tooth flounder Arrowtooth grenadier Arrowtooth lizardfish Arroyo chub Arroyo cichlid Arsuz bleak Arthurs galaxias Aru gudgeon Arulius barb Asaedae flounder Asagi Koi Ascension triplefin Ash Meadows killifish Ashy darter Asian bonytongue Asian bumblebee catfish Asian butterflyfish Asian freshwater goby Asian pencil halfbeak Asian redtail catfish Asian sillago Asian swamp eel Asoka barb Asp Asprete Assamese kingfish Assamese snakehead Astrabad shad Asymmetrical goatfish Atacama grenadier Athi elephant-snout fish Athi sardine Atipa Atka mackerel Atlantic anchoveta Atlantic angel shark Atlantic barracudina Atlantic batfish Atlantic bigeye