Tag: All Koh Tao

Includes most/all popular dive sites in this area.

Includes most/all popular dive sites in this area.
Alan's picture
Orange-Striped Goby (Amblygobius Decussatus)

This Orange-Striped Goby (Amblygobius Decussatus) was photographed at Aow Leuk Bay, Koh Tao.

So far, this species appears to be a relatively uncommon Goby in local waters.

Alan's picture
Black-Fin Sandperch (Parapercis Snyderi)

This is the best profile shot of what i now believe could be a Black-Fin Sandperch (Parapercis Snyderi).

Although i have seen photos showing this species with much darker bands on the upper body, there also appears to be a paler variation, very similar to this.

Alan's picture
Signalfin Goby - female (Coryphopterus or Fusigobius Signipinnis)

It seems that the main difference between male and female is that the male has a slightly larger and more "pigmented" dorsal fin. This one, photographed at Aow Leuk appears to have a less colourful dorsal fin, so it's likely to be a female.

Alan's picture
Signalfin Goby - male (Coryphopterus or Fusigobius Signipinnis)

Based on the fact that the main distinction between male and female is the male's slightly larger and more "pigmented" dorsal fin, the assumption would be that this Signalfin Goby (Coryphopterus or Fusigobius signipinnis), photographed at

Alan's picture
Blotched Goby (Coryphopterus Inframaculatus) - female

The female Blotched Goby (Coryphopterus inframaculatus) is distinguished from the male by its shorter dorsal fin.

Alan's picture
Blotched Goby (Coryphopterus Inframaculatus) - male

This photo, taken at Shark Island, Koh Tao, shows the slightly more elongated dorsal fin of the male Blotched Goby (Coryphopterus inframaculatus) when compared to that of the female.

Alan's picture
Alexander's Damselfish (Pomacentrus Alexanderae)

An Alexander's Damselfish (Pomacentrus Alexanderae) at Aow Leuk, Koh Tao.

The main distinguishing features are visible in this shot, namely: the large black spot at the base of the pectoral fin and the black-tipped dorsal rays, although these are less clear.