Japanese Pineapplefish
Monocentris japonica
- Least concern
- Card rarity: Common
- Fish

Monocentris japonica, the Japanese pineapplefish, is a species of marine ray-finned fish in the pinecone fish family Monocentridae. It is found in the tropical Indo-West Pacific, at depths between 2–100 m (6.6–328.1 ft), where it inhabits rocky and coral reefs.
Classification
- Class
- Actinopterygii
- Order
- Trachichthyiformes
- Family
- Monocentridae
- Genus
- Monocentris