- EnglishName: Japanese snake blenny
- Local Name : Harufa funna
- Size : Max. 30 cm
- Family: BLENNIIDAE
- Order : Perciformes
- Distinctive Characters: Extremely long and thin. Dorsal fin with 11 spines and 99-104 rays. Anal fin with 2 spines and 97-104 rays. Pectoral fin with 10-11 rays. Pelvic fin with 1 spine and 3 rays.
- Colour: Brown. Front part of anal fin white distally.
- Habitat and Biology: Lives in tubes on sandy bottoms.
- Distribution: Indo-Pacific.
- Remarks: Xiphasia matsubarai is a very unusual blenny, superficially more like an eel than a blenny. The specimen on which this record is based was caught by hand net in Male harbour in July 1988.