© Roger RittmasterCC BY 4.0 · iNaturalist
Barred Filefish
Cantherhines dumerilii
Strapweed Filefish (juvenile)
Pseudomonacanthus macrurus
- Max size
- View in app
- Max depth
- 10 m
- Found in
- 20 regions
How to recognise it
- Colours
- whitebrownyellow
- Pattern
- Blotches or dots, Camouflage pattern, Spines pattern
Pseudomonacanthus macrurus is a filefish of the family Monacanthidae. Strap-weed filefish are often found in pairs and inhabit reefs across the Indian and Pacific oceans.
Description
It reaches a maximum length of 18 cm. It is highly variable in pattern, generally yellowish background with white markings; white patches from nose to a little past the dorsal spine, a white stripe along the centre of the body from the gill opening. May have dark blotches. Tiny filaments sparsely over the body. No bristles on the tail.
Distribution
Indo-West Pacific: Indian Ocean, South China Sea, southern Japan. Reported from Papua New Guinea.
Habitat
Inhabits shallow coastal algal reefs and estuaries. Sometimes solitary. Adults are often in pairs.
Similar species
© Roger RittmasterCC BY 4.0 · iNaturalist 
© Stas KuryanAll rights reserved
Bristle-tail Leatherjacket
Acreichthys tomentosus
Hajam Filefish
Acreichthys hajam
Japanese Inflator Filefish
Brachaluteres ulvarum
Japanese Leatherjacket (juvenile)
Paramonacanthus japonicus
Japanese Leatherjacket (male)
Paramonacanthus japonicus
Questions
Is Strapweed Filefish (juvenile) dangerous?
Strapweed Filefish (juvenile) has no known danger to humans. However, always observe marine life responsibly.
Where can you find Strapweed Filefish (juvenile)?
How deep does Strapweed Filefish (juvenile) live?
Strapweed Filefish (juvenile) can be found at depths of up to 10 meters.
