Lookdown 
Louvar 
Lovely Hatchetfish 
Lowland Cichlid 
Lubbock's Chromis 
Lubbock's wrasse 
Luminous cardinalfish 
Lunar fusilier 
Lunar-tailed bigeye 
Lutjanus carponotatus 
Lutjanus russeli 
Lyretail Anthias 
Lyretail hogfish 
Macaronesian Sharpnose-Puffer 
Macropharyngodon negrosensis 
Madeira rockfish 
Magenta dottyback 
Magpie Perch 
Magpie perchadile 
Mahogany snapper 
Mailed butterflyfish 
Malabar grouper 
Maldives Triplefin 
Mandarinfish