Opisthobranch of the Week is Caloria sp.

Caloria sp.

Photo courtesy of Jeffrey de Guzman
Location: Anilao,Batangas, Philippines

Caloria sp., Undescribed

This smart looking animal is one of four undescribed facelinids of the genus Caloria included in our new Indo-Pacific Nudibranchs and Sea Slugs book. Fellow co-author Angel Valdes was quick to make the identification as an undescribed Caloria !

It is quite easy to identify, having a pale orange body with white cerata. The translucent apex contains a cnidosac housing nematocysts acquired from this species hydroid prey. There is also a white patch on the head.

This species is known from the Philippines and Indonesia.

Thanks Jeffrey for sharing your wonderful image with Slug Site readers!

Dave Behrens
Gig Harbor, Washington
Dec., 2008

WEBMASTER'S NOTES : Jeffrey really knows how to capture the essence of the animal in his photographs! I am really amazed at the in depth detail Jeffrey is able to achieve in his images. This isn't happenstance by any stretch of the imagination, I am sure he works very hard to get the image he wants! This seems to be a trade mark of all the great nudibranch photographers I know!

Michael Miller
San Diego, Calif
Dec., 2008

Jeffrey de Guzman on location

Jeffrey de Guzman is a 38-year old technical diver. He was certified as a NAUI open water diver in 1986. In May 2006, Jeffrey made his first venture into u/w photography with a Canon S80 compact camera. He has since upgraded to a Canon 400d, DSLR. Examples of his work have appeared in major publications, such as Australasia Scuba Diver Magazine, the Padi Project Aware Website, Padi Newsletters, Neville Coleman's Nudibranch Encyclopedia, Metro Active Magazine, Newsweek, the National Geographic Daily Dozen and three Canon Photo of the Month. Recently Jeffrey was chosen as the Featured Photographer at Scubadivng.com for the month of February 2008, and as the Inon Featured Photographer for July 2008. Recently, Jeffrey upgraded to a Nikon D300 with 105mm macro w/ VR. He looks forward to housing it in the near future.
Send Jeffrey email at jeffdeguzman@gmail.com

From left to right, Terry Gosliner, Angel Valdes, Dave Behrens La Jolla, Calif.