Adding new fish w/ aggressive Clown?

[ChallengedOne]

I have a standard 20 gallon tank. With a few zoas and a mushroom. The basic CUC hermits and assorted snails. The biggest issue I have is with my aggressive female clown. The pair of Black and White Occelaris are the only fish livestock which is what I had really only planned for. However the wife is really wanting a goby or blenny of some type. If we go that route I'd prefer a smaller species that won't wreck the sand bed. Are there any other suggestion on this type or maybe another small fish she might enjoy?

 

[HumbleFish]

IMO; it will probably be difficult to house anything with a pair clownfish in a tank that small. You might get away with a Watchman Goby, as those tend to live behind/under a rock - out of sight. Maybe get a goby-pistol shrimp pair to make it interesting...

 

[ChallengedOne]

"Maybe get a goby-pistol shrimp pair to make it interesting..."

How do they pair off?

 

[HumbleFish]

"Maybe get a goby-pistol shrimp pair to make it interesting..."

How do they pair off?

http://www.fishchannel.com/saltwater-aquariums/species-info/goby/gobies-and-pistol-shrimp.aspx

http://www.liveaquaria.com/PIC/article.cfm?aid=201

The thing is you have to find a compatible shrimp for your goby (and vice versa). And even then it doesn't always work out 100% of the time. Best thing to do is find a pair already "paired up" at your LFS or off LA Divers Den.

 

[snorvich]

Assuming you choose a shrimp goby, alpheus randall pistol shrimp will pair off. They will find each other for sure. But in a tank this size with a pair of clownfish, I am highly skeptical of long term success.

 

[ChallengedOne]

Assuming you choose a shrimp goby, alpheus randall pistol shrimp will pair off. They will find each other for sure. But in a tank this size with a pair of clownfish, I am highly skeptical of long term success.

Too small? Clowns too aggressive? Why are you skeptical? Please elaborate.