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Phylum Chordata > Subphylum Vertebrate > fishes > Family Labridae
Weedy wrasse
Pteragogus sp.*
Family Labridae
updated Sep 2020

Where seen? This lively fish is seldom seen. Once seen swimming actively among seagrasses, another near coral rubble. It might be quite common but overlooked because of its superb camouflage.

Features: To about 20cm, those seen 6-15cm. Typical fish shape with large scales. It has a protrusible mouth. Most species are sand burrowers, feeding on creatures that live on the sea bottom. Most species change color and sex as they grow bigger.

Cyrene, Apr 07

St. John's Island, Apr 12
Photo shared by Marcus Ng on facebook

Beting Bronok, Jun 10

Tuas, Apr 08

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

Weedy wrasses on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

Chek Jawa, Jun 23
Photo shared by Loh Kok Sheng on facebook.

Sentosa Tg Rimau, May 24
Photo shared by Tammy Lim on facebook

Flagfin wrasse Pteragogus flagellifer
Terumbu Semakau, Jul 14
Photo shared by Marcus Ng on facebook.

Terumbu Semakau, May 23
Photo shared by Kevlin Yong on facebook.

Pteragogus species recorded for Singapore
from Wee Y.C. and Peter K. L. Ng. 1994. A First Look at Biodiversity in Singapore.
*from Lim, Kelvin K. P. & Jeffrey K. Y. Low, 1998. A Guide to the Common Marine Fishes of Singapore.
^from WORMS
+Other additions (Singapore Biodiversity Record, etc)

  Family Labridae
  Duymaeria enneacanthus=^Pteragogus enneacanthus
Duymaeria flagellifera=^Pteragogus flagellifera
(Cocktail or Flagfin wrasse)



  • Marcus F. C. Ng & Kelvin K. P. Lim. 31 October 2014. Flagfin wrasse at Terumbu Semakau, Pteragogus flagellifer. Singapore Biodiversity Records 2014: 289.
  • Allen, Gerry, 2000. Marine Fishes of South-East Asia: A Field Guide for Anglers and Divers. Periplus Editions. 292 pp.
  • Lieske, Ewald and Robert Myers. 2001. Coral Reef Fishes of the World Periplus Editions. 400pp.
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