Deepwater Squirrelfish
Ostichthys Kaianus
© 2026 MarineWise
Quick Facts
Scientific nameOstichthys Kaianus
Other namesDeepwater Soldier, Kai Islands Squirrelfish, Kai Soldierfish
SizeUp to 36 cm (14.17 in)
WeightUp to .60 kg (1.32 lb)
FamilySoldier/Squirrelfish / Holocentridae
Distribution
Habitat & AU DistributionDeeper oceanic reefs amongst steep rocky slopes in caves & under ledges
