Can I get more clown gobies

[clownfishmama]

I've got a 15 gallon with a yellow clown goby and green clown goby can I get some more or is this the limit?

 

[Cthulukelele]

What else is in the tank

 

[clownfishmama]

What else is in the tank

fire shrimp two clownfish

 

[Cthulukelele]

fire shrimp two clownfish

I'd say 4 fish especially with 2 of them being clowns you're probably maxed or close to maxed for a 15 gallon tank even with 2 of them being clown gobies. They eat and poop a surprising amount for such small mostly sedentary fish.