Jack Dempsey Jack silverside Jack-knifefish Jackson's barb Jacunda Jae barb Jaggedhead gurnard Jaguar catfish Jaguar dottyback Jaguar guapote Jalisco chub Jamaica weakfish Jamaican killifish Jamal's dottyback Jambeau Jamei’s tube-snouted ghost knifefish Jameson's seaperch James's anchovy Jamuna ailia Jamur Lake grunter Janbruin Jandia Jansen's goatfish Jansen's wrasse Janss' pipefish January tetra Japan surgeonfish Japanese Amago Japanese amberjack Japanese anchovy Japanese angelfish Japanese angelshark Japanese armorhead Japanese barracuda Japanese barracudina Japanese bigeye Japanese blacktail triplefin Japanese blue-spotted seabream Japanese bullhead shark Japanese butterflyfish Japanese butterflyray Japanese catshark Japanese chromis Japanese codlet Japanese codling Japanese cusk Japanese darter dragonet Japanese deepwater clingfish Japanese dory Japanese dragonet