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Phylum Chordata > Subphylum Vertebrate > fishes > Family Gobiidae
Shadow goby
Acentrogobius nebulosus
Family Gobiidae
updated Sep 2020
Where seen? This little goby is commonly seen on many of our shores including mangroves, muddy bottoms near reefs, sandy pools and among coral rubble. On some shores, almost every pool has one! Sometimes, several are seen together. Its previous name was Yongeichthys nebulosus.

Features: Up to about 18cm, those seen from 4-6cm. It has large eyes and three large dark brown blotches on the sides of the body (not easily seen from the top).

Sometimes several seen together.
Changi, Jul 15

Changi, Jul 06
Tough little goby: It seems to be able to withstand heat and several are commonly seen in shallow pools left behind at low tide. It is poisonous to eat as it contains tetrodotoxin (the same toxin found in pufferfishes) in its flesh and internal organs. In some places, it is called the Poisonous goby.

Shadow gobies on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

Pulau Ubin, Jul 17
Photo shared by Abel Yeo on facebook.

Tuas, Jun 15
Photo shared by Marcus Ng on facebook.

Lazarus Island, Nov 20
Photo shared by Marcus Ng on facebook.

Pulau Semakau, Jan 13
Photo shared by Marcus Ng on flickr.

Beting Bemban Besar, May 11

Photo shared by Russel Low on facebook.

Terumbu Pempang Tengah, May 11
Photo shared by Loh Kok Sheng on his blog.

  • Larson, Helen K and Kelvin K. P. Lim. 2005. A Guide to Gobies of Singapore. Singapore Science Centre. 164pp.
  • Allen, Gerry, 2000. Marine Fishes of South-East Asia: A Field Guide for Anglers and Divers. Periplus Editions. 292 pp.
  • Kuiter, Rudie H. 2002. Guide to Sea Fishes of Australia: A Comprehensive Reference for Divers & Fishermen New Holland Publishers. 434pp.
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