Achilles tang 
African Hind 
African pompano 
African Sharptooth Catfish 
African striped grunt 
Agassiz's parrotfish 
Alabama shiner 
Allen's Shrimpgoby 
Allen's tubelip 
Alligator gar 
Alligator pipefish 
Alticus monochrus 
Amarillo Snapper 
Amberjack 
Ambon Chromis 
Ambon scorpionfish 
American paddlefish 
Amphiprion nigripes 
Amur carp 
Ancistrus cirrhosus 
Ancistrus cryptophthalmus 
Andaman Hind 
Angelfish 
Annular seabream