Tag: Sand or Rubble Flats

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Duskytail Grouper (Epinephelus Bleekeri)

In this photograph of a Duskytail Grouper (Epinephelus Bleekeri), photographed on the outer reef slope at Mae Haad/Koh Ma reef, the translucent pectoral fin, unmarked anal fin and the yellow/blueish colouration of the

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Grey Bonnet Snail (Phalium Glaucum)

The individual in this photograph was one of two relatively large Grey Bonnet Snails (Phalium Glaucum) found on the open sand area approximately 100 - 200m from Chaloklum pier.

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Black Nudibranch (Dendrodoris Nigra)

A Black Nudibranch (Dendrodoris Nigra) photographed beneath Chaloklum pier.

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Black Nudibranch (Dendrodoris Nigra)

A Black Nudibranch (Dendrodoris Nigra) photographed beneath Chaloklum pier.

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Rough Atagema Nudibranch (Atagema Intecta)

A Rough Atagema Nudibranch (Atagema Intecta) found below Chaloklum pier.

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Hairy Sea Hare (Bursatella Leachii)

A colourful Hairy Sea Hare (Bursatella Leachii) photographed in very shallow water beneath Chaloklum pier.

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Dendrodoris Denisonii Nudibranch (Dendrodoris denisonii)

This fantastic little Dendrodoris Denisonii Nudibranch (Dendrodoris denisonii) was found beneath Chaloklum pier.

Alan's picture
Duskytail Grouper (Epinephelus Bleekeri)

This Duskytail Grouper (Epinephelus Bleekeri), photographed at Aow Leuk Bay demonstrated a trait which seems to be almost exclusive to this species, and the closely related

Alan's picture
Chalky Sea Cucumber (Bohadschia Marmorata)

This photo of a Chalky Sea Cucumber (Bohadschia Marmorata) was taken at Tanote Bay, Koh Tao

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Black-Fringed Sea Cucumber (Holothuria Leucospilota)

This front view of the frequently encountered Black-Fringed Sea Cucumber (Holothuria Leucospilota) clearly shows the "papullae" protruding from the skin.
These are one of the most obvious characteristics that distinguish this species from the closely related Black Sea Cucumber (Holothuria Atra).