October 30, 2012 Filefish, wrasses, and damselfish, gather over the carcass of a huge prawn that was recently discarded by fishermen. The carcass, which has fallen into a tight crevice, does not make for easy pickings and the fish at this point, seem hesitant to enter the dark crevice despite the prospect of an easy meal. They do […]
Posted in Videos
October 23, 2012 A Tigertail seahorse Hippocampus comes, feeds as it remains well hidden within the reefs of Singapore’s Pulau Hantu. At 0:20, the seahorse turns to look at the camera, then at 1:17 it spots something below it and begins to sway, slowly extending its body with each sway, eventually extending itself all the way to grasp […]
October 19, 2012 A pair of Copperband Butterflyfish, Chelmon rostratus, feeding along the reefs of Singapore’s Pulau Hantu. Butterflyfishes are corallivores, that means they eat coral. As such, the species is used as an environmental indicator for the health of a reef.
September 29, 2011 A Snakey bornella (Bornella anguilla) chows down on some hydroids, a plant-like organism related to jellyfish. Though plant-like, hydroids are actually carnivorous animals. Each nudibranch species usually specializes in one or few species of hydoid. Though hydoids are venomous, this doesn’t bother the nudibranch. It does not digest the nematocysts (stinging cells); instead, it uses […]
Posted in Uncategorized
April 10, 2021 There are a few special times of the year, when the phases of the moon and tides align to trigger a global marine underwater phenomenon called mass coral spawning. I witnessed my first mass coral spawning in 2003. It was also at Pulau Satumu, also known as Raffles Lighthouse. We camped on the island in […]
Posted in Biology, Blog Log, Volunteers
March 31, 2021 Wedgefish are awesome animals, and they are much loved by anglers and biologists because they are beautiful, rare, and fascinating. Their massive dorsal fins and flattened heads may have you wondering if they are sharks or rays. I hope this post inspires you discover and appreciate our wedgefishes and participate in ensuring their long term […]
January 23, 2021 By Nicholas Chew: I had seen some photos of an extremely cryptic nudibranch Phestilla viei by Chay Hoon over the last few months. It had superb camouflage, unlike anything I’d seen before. Mimicking the patterns and colours of the specific host coral Pavona explanulata, it blended in perfectly. I found it incredibly amazing and beautiful, […]
November 9, 2020 “Where was this?” were the first questions from members of the public that appeared in my message box after I posted the above video on social media. Followed by, “what were they doing here?” Seeing the five rays swim in formation along the seawall at Labrador Park didn’t so much as surprise me. Rather, it […]
August 18, 2020 By Isabelle Athena: A few weeks ago, a friend and I were discussing the term ‘starfish’ and ‘sea stars’. The creature’s interchangeable name can cause confusion, with identifing sea stars as fish, rather than echinoderms – a group of animals related to sea urchins and sea cucumbers.
Posted in Biology
August 4, 2020 A large honeycomb ray (Himantura undulata) was caught off Bedok jetty last week. It was described as the 2nd largest catch from that fishing spot, and the largest haul by a “shorewrangler” this year. According to various blogposts, the ray had a wingspan that measured between 2-3 meters and weighed somewhere around 70-100 kg (I’m […]
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