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