Variable fang blennies Petroscirtes variabilis are small elongated fishes that can be encountered in coral reefs of Singapore’s Southern Islands. Apart from discarded glass bottles, they have also been found making their homes within the shells of large snails. Watch this video as the blenny leaves its bottle, makes an about-turn, and swims back into […]
Entries Categorized as 'Biology'
January 21, 2014
June 7, 2013
Not only are we on an expedition, we’re on an expedition in really turbid waters. Losing your buddy is a given. But you won’t be able to do any work at all if you lose your equipment. So the less things you have to focus on getting a grip on, the better. In an attempt […]
June 6, 2013
If you love taking a closer look at life on the reef, you’ll love diving in Singapore. Though we do get surprised by some mega fauna every now and then – we’ve had schools of batfish, barracuda, and Silver moonies – to authentically enjoy Pulau Hantu’s reefs, we have to marvel at the impressive diversity […]
May 13, 2013
I’ve always thought these Blue-lined flatworms (Pseudoceros sp.) get their Latin name Pseudo- “not genuine” and Ceros- “horn” because they do not have “true horns”, that is, feelers. Those pinches at the top of their bodies that serve as sensory organs similar to antennae. Then I started getting confused because there is another genus of […]
May 8, 2013
What happens when a pair of female anemonefish meet?
April 17, 2013
In a departure from our monthly visits to Pulau Hantu’s reefs, Hantu Blog volunteer, Verona Huang, had the opportunity to help the folks from the Tropical Marine Science Institute (“TMSI”) in a dredge survey around the waters of Kusu Island and St John’s Island as part of the Mega Marine Survey, Singapore’s first comprehensive […]
March 28, 2013
A Yellow-lipped sea krait scans the reef flats of Singapore’s Pulau Hantu for an opportune meal. The colubrine sea krait, banded sea krait or yellow–lipped sea krait (Laticauda colubrina) is a species of sea snake found in tropical Indo-Pacific oceanic waters.  It is easily recognised by its yellow upper lip and black bands covering […]
December 2, 2012
A pair of cuttlefish were spotted along the reefs of Singapore’s Pulau Hantu. They were about the same size. Could they be siblings? Or were they individuals from different clutches that find safety by being in a pair?
October 30, 2012
Slipper lobsters are a family of decapod crustaceans found in all warm oceans and seas. Despite their name, they are not true lobsters, but are more closely related to spiny lobsters and furry lobsters. Slipper lobsters are instantly recognisable by their enlarged antennae, which project forward from the head as wide plates.
October 24, 2012
Neopomacentrus filamentosus is an egg-laying species. The male fish in this video appears to be establishing a territory. It does so by cleaning a rocky ledge or coral surface. The male fish will court the female and encourage her to swim to the cleaned spot. During the actual spawning, the female will deposit her eggs […]