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The 2011 Philippine Biodiversity Expedition 

May 10, 2011

New species up the wazoo

Very few biodiversity specialists can look at their plant or animal in the field and immediately be fairly certain that they have found a new species or not. Working on nudibranchs provides a luxury in that regard. When we find something we can be pretty sure that whatever we find is something recognizable or something we have not seen before. That provides us with a huge advantage when undertaking surveys like the 2011 Philippine Biodiversity Expedition. Things started off slowly, and we did not find any new species on the first eleven dives we made. I was starting to get a little concerned that maybe the trips here over the last 19 years had finally reached saturation; that we had finally found everything that was here. Boy, was I wrong. The next night dive, we found 8 new species on one dive. It was a shallow dive of only 17 feet, but it was slug city. Most were fairly smallish (about 0.5-10 mm) and several were fairly cryptic, but they were clearly new.

a new species of Favorinus that feeds on the eggs of other nudibranchs

A new species of Favorinus that feeds on the eggs of other nudibranchs

A new species of Philinopsis with a tail like a spaniel.

A new species of Philinopsis with a tail like a spaniel.

Cerberilla sp., a new species of sand-dwelling aeolid nudibranch

Cerberilla sp., a new species of sand-dwelling aeolid nudibranch

It is almost as exciting to find a known species that has not been found previously in the Philippines. We have come across several of these old friends from different places. One species, Trapania darvelli is striking and had been previously known only from Hong Kong, Malaysia, Vanuatu and the Solomon Islands. Our always sharp-eyed dive guide, Peri Paleracio, turned up a gorgeous specimen in 60 feet of water on a morning dive.

The first Trapania darvelli from the Philiippines

The first Trapania darvelli from the Philiippines

Last year my former postdoctoral collaborator, Shireen Fahey, and I named a new species based on only one specimen collected from Okinawa. It is always a bit dangerous to name a new species from one specimen, but we were convinced that it was so different from all known species that we felt confident enough to name it Dermatobranchus dendronephthyphagus. And while that sounds like a mouthful, it was given this name because it was found on the soft coral Dendronephthya. One of the other season dive guides at Club Ocellaris, Alexis Principe, spotted three more Dermatobranchus dendronephthyphagus on a night dive at a dive site called Basketball, the first records for the Philippines.

The first specimen of Dermatobranchus dendronephthyphagus

The first specimen of Dermatobranchus dendronephthyphagus

Again logic prevails in the naming of dive sites. The site is located off a basketball court near the southern tip of the Calumpan Peninsula.
The hunt for new species is back on a normal pace. We are now up to 27 new species and have another four known species never recorded previously from the Philippines. We are back to the pace we have been on for the last several years of finding an average of one new species per dive.

Filed under: Diving,Gosliner,Philippines,Shallow Water — tgosliner @ 8:37 am

April 27, 2011

Getting ready

Getting organized for an expedition takes literally a year of planning. Even when you arrive there are days of checking in with collaborators, securing the final permits that allow you to do research. Part of our team spent most of the day meeting with government officials, arranging final details with our collaborators at the University of the Philippines and securing the final permits necessary. Meanwhile, the rest of the team was at the Philippine National Museum unpacking the supplies we shipped in advance with great facilitation from the U.S. Embassy. The team also met with our other collaborators and with the Director of the Museum. Elliott mentioned that we needed to find a place where we could fill our emergency oxygen tanks for scuba diving. After asking several local divers who have been on trips with us previously, we located a source. Most business is transacted via text message so we texted Nathan who was incredibly helpful and we were trying to arrange how to drop off the oxygen tanks to get filled. We got the following text from Nathan: “Hi, Terry. You can just leave the tanks at our place any time. Just look for Rasty. He sleeps in the warehouse. I will look at the tanks when I get in around 10″. We were hoping to meet Rasty but found another source right where we are going to be diving. Life here is always filled with people bending over backwards to try to help and come up with creative solutions to solving problems. Rich and Terry

Filed under: Gosliner,Mooi,Philippines,Planning,Shallow Water,Uncategorized — rmooi @ 3:24 pm

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