predation

Ctenophore captures and engulfs fish Ned DeLoach BlennyWatcher.com

Death by Ctenophore

May 21, 2013

March 2013, Halmahera, Indonesia ~ Oh no! Right before my eyes, my beloved benthic ctenophores, so delicate and colorful, have metamorphosed from gentle plankton netters to smothering killers of fishes and crabs! Drifting over a black rubble slope off Makian, our guide Yann Alfian points out a ctenophore-covered starfish. During our October trip around Batanta aboard the Dewi Nusantara, Yann asked me why I was spending so much time looking at these things on the starfish. I explained that these … Read more Death by Ctenophore

Harlequin Shrimp Pair Ned DeLoach BlennyWatcher.com

Harlequin Shrimp at Work

April 8, 2013

I love the way Harlequin Shrimp move – their little abdomens waggle – like bobbleheads in reverse – bobblebutts! And the  “wax on – wax off” movement with their claws – too cute! However, once you get past their looks, it gets a little gruesome because Harlequin Shrimp are voracious predators of starfish. I say gruesome because they don’t put a quick kill on them. No, they flip the starfish over so it can’t walk away then proceed to consume … Read more Harlequin Shrimp at Work

Blue Ringed Octopus catches Crab from BlennyWatcher.com

Blue-Ringed Octopus Catches Crab

August 19, 2012

Bali, Indonesia ~ I spotted the Blue Ringed Octopus as it swam across an open expanse of rubble and landed on a small rock. It was late afternoon and the current was quite strong, so I had decided to head back to the shallows where there was more light and where it would be easier to get back to the boat. I spotted the octopus and forgot all about the marginal conditions. We have had more success observing blue rings catching … Read more Blue-Ringed Octopus Catches Crab