spawning

Radiant Sea Urchins Spawning

February 18, 2012

Lembeh Strait, Indonesia (2007) – I was at the end of a 2-hour dive, off-gassing in about 10 feet of water and struggling to stay in place in the sudden, brisk current. I saw several juvenile Red Emperor Snappers, Lutjanus sebae bolt for a gathering of Radiant Sea Urchins, Astropyga radiata, which is not unusual since the snappers, when they are much smaller, are often found living within the spines of theses urchins. Then I noticed the urchins were spawning! … Read more Radiant Sea Urchins Spawning

Invertebrate Fun: Emperor Shrimp

December 29, 2011

Cataloging long neglected video is a good way to fend off cabin fever. I relive dives and get some work done at the same time. I’m up to November 2008, Papua New Guinea – a rare day, with everything that for us, made the perfect dive: a shallow, mucky bay, with outflow from a river; warm water; no current – and – permission from the dive operator to stay down as long as we wanted! Unfortunately, the site had been ravaged … Read more Invertebrate Fun: Emperor Shrimp