Posted 18 July 2012 - 08:04 PM
On my trip to Anilao last June I found the same yellow goby twice on a muck dive ("coconut muck", on the other side of the strait across from the Mainit site) in an area without coral, just rubble and sand. I could not find a good ID in Reef Fish Identification - Tropical Pacific. Gobiodon okinawae looked closest but I have only found gobiodons in or on corals. The new Reef Fishes of the East Indies book however has an image for Lubricogobius ornatus which is a very good match and its habitat is described as "silt and rubble bottoms (the picture was taken in Lembeh strait on an apparent muck dive). The book has no entry for Lubricogobius exiguus but according to fishbase they seem to be quite similar but the latter is described as having "dorsal and ventral edges of caudal peduncle strongly keeled" whereas L. ornatus is not keeled. I don't see a keel on your image and don't remember seeing it on the ones I found. However, in terms of color L. exiguus may be a better fit, but colors are often variable, morphology less so. so my best guess is L. ornatus.
Bart
Canon 20D, Ikelite house & DS50 strobe.
Sigma 15mm FE, 35mm f2.0, 50mm f1.8, 100mm macro, 18-55mm kit lens
magic filters, cc30m magenta filter