Sailfin blenny in minireef?

I've gotten the inspiration to take a big step into marine
fishkeeping. I've had a 45 gallon freshwater tank for a year now and
just don't have room in my 610 sq foot apartment for anything larger
than the 16 gallon bowfront tank I'm cycling right now.

In a late fall issue of TFH I remember seeing a picture and
description of the lawnmower, or sailfin blenny. It was this fish
that got me excited about setting up a minireef. However, it looks
like I may be making a mistake; I talked to a rep at Drs. FosterSmith.
She mentioned that this blenny would outgrow my tank in 6 to 8
months. Here's the final stock I was planning to go with:

Cycling now with:
Live sand
Fiji premium live rock

When cycled:
Four small corals
Small bulb anenome

A week later:
4 Hermit crabs
4-5 Turbo snails
1 Ocelaris clownfish
1 Sailfin Blenny

I've also been cautioned that the anenome can sting the corals if
they're within 5 inches of each other.

Some advice would be greatly appreciated he
- If the sailfin blenny will be too big for my tank, I'm really,
really bummed- but is there another blenny similar in characteristics
to the sailfin that won't be too large?
- Will my other livestock selections be suitable? Will the
corals/anome really be problematic over time, or can I get around that
by arranging things carefully?