Which fish should I add to my tank??

[tzylak]

Since Steve (Snorvich) took a hiatus, I'll ask the group in general.

I want to add:
three Pajama Cardinals OR
one Yellow Tail Damselfish OR
one Midas Blenny

Which one of these should I add to my existing tank??
Thanks!!!

Tank specs:

Fish: Ocellaris Clown, B&W Clown, Firefish Goby, 6-Line Wrasse, Scarlet Skunk Cleaner Shrimp, Fire Shrimp, Banded Coral Shrimp, Peppermint Shrimp, Bristle Worms and CUC.
Reef: 150 lb. Sand, 70 lb. Rock, Frog Spawn, Button Polyps, Mushrooms, Kenya Trees, Brain, Leather Toadstool, Cheato and one aiptasia
Tank: 50g hex with overflow, 23 gal sump with DSB, 2x Rio 3100 return pumps, 2x15” power compact 10K, 2x 50/50, 1x actinic, chiller 650, heater 150W, skimmer 65.
I got the tank on 7/18/2014 but it has been established for over 15 years!!
I do semi-weekly water test and weekly 5g changes.
pH 7.8-8.1, NH3 0, NO2 0, NO3 0-3, PO4 0, Ca 360-400, Alk76-8, 77-79F, sg 1.022-25
23 sec. video: https://www.dropbox.com/s/2s5ik52vqmwh4w1/151019%20Aquarium.wmv?dl=0

[toothybugs]

I'd go blenny. You don't have any bottom-dwelling fish and the damsel and clowns may get testy with all that sand and rock taking up space. And PJ Cards just look dead to me, though the small shoal is kinda cool.

[Sapelo]

I agree with the blenny.
You've got two clowns in your tank so another damsel is asking for trouble.
We "inherited" a PJ (named PJ -- really original, right?) and other than the fact that he's awake when everyone else is asleep, he's about like having water in the tank -- he's there but we don't really notice.

[whosurcaddie]

The Midas is an awesome fish coolest personality of any fish I've ever kept.

[nuxx]

Midas for sure :)

[billdogg]

I vote for the midas blenny as well. The PJ's can get pretty big, especially in a tank that size, and the damsel will just be a problem with the clowns already there.

[e048]

I second the blenny make sure you get a good size one, otherwise itll dissapear in a tank that size...