I don't think this is actually a Stonogobiops dracula:
1-3/8" Maldivian Dracula Goby
This is how the real deal looks like:
But it is also not a Stonogobiops nematodes:
In fact it is a much rarer fish - Stonogobiops xanthorhinica:
(http://www.fishbase.org/summary/4311)
Looks like they have legit Dracula's up today if you are looking.