- Black mullet
Mugil cephalus
- King mullet
Mulloidichthys martinicus
- Goatfishes
Mullidae - King mullet
Mulloidichthys martinicus
- Tiger snake eel
Myrichthys maculosus
- Blackbar Soldierfish
Myripristis jacobus
- Atlantic hagfish
Myxine glutinosa
- Chinese sucker
Myxocyprinus asiaticus
- Chinese sucker
Myxocyprinus asiaticus
- Gangetic leaffish
Nandus nandus
- 似鮈矮脂鯉
Nannocharax fasciatus
- Southern pygmy perch
Nannoperca australis