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Phylum Chordata > Subphylum Vertebrate > fishes > Family Monacanthidae
Strapweed filefish
Pseudomonacanthus macrurus*

Family Monacanthidae
updated Sep 2020

Where seen? This filefish is sometimes seen on some of Southern shores among seagrasses and among seaweeds on the coral rubble. It is also called the Smallspotted leatherjacket.

Features: To 24cm, those seen about 10cm. Body with lots of small circular dots and often a broad white stripe or blotch along the centre of the body from the gill opening. May have dark blotches. More on how to tell apart filefishes.

Cyrene Reef, May 08

Pulau Hantu, Jul 08

*Identification needs confirmation. Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.

Strapweed filefishes on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

Distribution in Singapore on this wildsingapore flickr map

Berlayar Creek, Oct 17
Photo shared by Abel Yeo on facebook.

Kusu Island, May 16
Photo shared by Jonathan Tan on facebook.

Pulau Semakau North, Jul 15
Photo shared by Loh Kok Sheng on facebook.

Terumbu Semakau, Jul 14
Photo shared by Jianlin Liu on facebook.

Siloso, May 09
Photo shared by Ivan Kwan on his blog.



  • Kuiter, Rudie H. 2002. Guide to Sea Fishes of Australia: A Comprehensive Reference for Divers & Fishermen New Holland Publishers. 434pp.
  • Lieske, Ewald and Robert Myers. 2001. Coral Reef Fishes of the World Periplus Editions. 400pp.
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