Longtailed slopefish Long-tailed wrasse Long-threaded dragon fish Longtooth grouper Longtooth hairtail Long-toothed false moray Longtrunk conger Long-whiskered catfish Longwing spinyfin Lookdown Loosejaw Loosescale grenadier Loosescale smooth-head Looseskin blenny Looseskin eelpout Loosetooth parrotfish Loppe's tadpole fish Lord Howe conger Lord Howe Dottyback Lord Howe Island butterflyfish Lord Howe Island flounder Lord Howe longtail dragonet Lord Howe Moray Lord Howe pipefish Lord Howe sandy Lord Howe Threefin Lord's Sicyopus Lord's Tasmangoby Lorentz catfish Lorentz River Sole Lorentz's grunter Lorentz's rainbowfish Loreto tetra Lori's anthias Lorna drum Lortet’s barbell Losera fangtooth pellonuline Lost pipefish Lost River sucker Lovely hatchetfish Lover's Lake killifish lower Amur grayling Loweye snailfish Lowfin dartfish Lowfin gulper shark Lowfin moray Lowfin scorpionfish Lowfin snailfish Lowland cichlid Lowland livebearer