Monday, May 17, 2010

Pulau Sekudu: The Frog Island

16 May 2010 - Pulau Sekudu, or Frog Island, is located just off Chek Jawa on Pulau Ubin. As it is now part of the Chek Jawa wetlands, a permit from NParks is needed to land on the island. This is my first visit to this island of beautiful rock formations.

The shore of Sekudu is quite similar to that of Changi's. Many Flowery Sea Pens of all colours were found this morning.

also in abundance were various types of anemones.

this anemone lookalike is actually a White Spiral Fan Worm. This animal is very sensitive to disturbances and will retract into its tube at the slightest sign of danger.

another type of worm spotted today is the Blue-lined Flatworm (Pseudoceros sp.).

this is the Little Ruby Flatworm (Phrikoceros baibaiye). My first time seeing it. Isn't it pretty?

another first for me today is this Denison's Nudibranch (Dendrodoris denisoni).

and this is another first - a beautiful Gymnodoris Nudibranch! No idea what species it is though...

a pretty Pink Moon Snail.

the insides of an open clam...

Mei Lin spotted this Red Shrimp.

This is a Spearer Mantis Shrimp (Harpiosquilla sp.). They have strong, sharp pincers. Do not touch!

Arrow-head Spider Crab (Menatheius sp.)

Marcus found this weird crab. No idea what species it is...

Stone Crab aka Thunder Crab (Myomenippe hardwickii) hiding under a rock.

Quite a number of octopuses were spotted this morning...

Three-spined Toadfish (Batrachomoeus trispinosus). I finally heard its croak today. It really does sound like a frog! =D

This is the Garlic Bread Sea Cucumber (Holothuria scabra).

Big Synaptid Sea Cucumber. Saw two of them today.

White Sea Urchin (Salmacis sp.).

another type of sea urchin - the Pencil Sea Urchin aka Thorny Sea Urchin (Prionocidaris sp.). Sharp-eyed Mei Lin spotted this tiny specimen.

Like the shores of Changi, Pulau Sekudu is equally star-studded! This is an orange Crown Sea Star (Asterina coronata).

and this neat-looking star is the Biscuit Sea Star (Goniodiscaster scaber).

Cake Sea Stars (Anthenea aspera). These stars can be found in a variety of colours and patterns.

This is a Painted Sand Star (Astropecten sp.).

My favourite sea star of all is the Knobbly Sea Star (Protoreaster nodosus). This is my first sighting of a knobbly on the northern shore.

The team even found a juvenile Knobbly!

here's a look at its underside...

the special find for today's trip - a rare Pink Sand Dollar (Peronella lesueuri)!

The frog-shaped boulder on Pulau Sekudu. This is just one of the many stunning rocks on the island that had been shaped by the forces of nature. =)

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