Knifejaw
NameKnifejaw
Scientific NameOplegnathus fasciatus
Common NamesBarred Knifejaw, Striped Beakfish, Knifejaw
FamilyOplegnathidae
OriginWestern Pacific Ocean, Japan, Korea, China, Taiwan
Temperamentaggressive
Dietcarnivore
Care Leveladvanced
Minimum Tank Size (Gallons)180
Max Size (Inches)24
Water TypeSaltwater
Temperature Range (°F)68-78
pH Range8.1-8.4
Compatible SpeciesLarge Tangs, Large Groupers, Moray Eels, Triggerfish (with caution)
Description
The Barred Knifejaw is a robust saltwater fish characterized by its distinctive vertical dark bands and a beak-like mouth formed by fused teeth. Juveniles display prominent stripes, which may fade as they mature. They are predatory and require a very large, mature aquarium environment.
