I like both of the blennies but the royal gramma even more, especially since you're looking for life/action. They're colorful, so they attract your eye from across the room. The blennies are cool, but more subtle.
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Inconveniencing marine life since 1992
"It is my personal belief that reef aquaria should be thriving communities of biodiversity, representative of their wild counterparts, and not merely collections of pretty specimens growing on tidy clean rock shelves covered in purple coralline algae." (Eric Borneman)
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