Help Me Decide

Alamo183672

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Help Me Decide my last fish. My tank is a 20 gallon, 24x14.5x14.5. Typical rock structure using CaribSea Life Rock. “Sand” is CaribSea Black Hawaiian. Currently I have two juvenile Gladiator Clownfish and some CUC. I’ve decided on a Yellow Watchman Goby and Tiger Pistol shrimp combo. I’m only going to add one additional fish but, not sure which one. I like the Helfrichi Firefish but, I heard they can jump through a .25” mesh top. Given how expensive they are, that would suck. I’m open to suggestions and price isn’t too much of a factor within reason. Can provide more info if needed. Thanks in advance.
 
Royal Gramma would be cool! They're a personal favorite.
 
+1 on the gramma, the clowns will bully when they grow and pair and in a tank that size you will need fish that do not get bullied easily.
 
Help Me Decide my last fish. My tank is a 20 gallon, 24x14.5x14.5. Typical rock structure using CaribSea Life Rock. “Sand” is CaribSea Black Hawaiian. Currently I have two juvenile Gladiator Clownfish and some CUC. I’ve decided on a Yellow Watchman Goby and Tiger Pistol shrimp combo. I’m only going to add one additional fish but, not sure which one. I like the Helfrichi Firefish but, I heard they can jump through a .25” mesh top. Given how expensive they are, that would suck. I’m open to suggestions and price isn’t too much of a factor within reason. Can provide more info if needed. Thanks in advance.
Whilst I love the royal grammas I personally prefer something a bit more unusual, I’d look at the Yellow Assessor. Mine is such a character - one of my favourite fish I have for sure.

Another option could be a Pink Streak Wrasse or Wetmorella species.
 
Help Me Decide my last fish. My tank is a 20 gallon, 24x14.5x14.5. Typical rock structure using CaribSea Life Rock. “Sand” is CaribSea Black Hawaiian. Currently I have two juvenile Gladiator Clownfish and some CUC. I’ve decided on a Yellow Watchman Goby and Tiger Pistol shrimp combo. I’m only going to add one additional fish but, not sure which one. I like the Helfrichi Firefish but, I heard they can jump through a .25” mesh top. Given how expensive they are, that would suck. I’m open to suggestions and price isn’t too much of a factor within reason. Can provide more info if needed. Thanks in advance.
Whilst I love the royal grammas I personally prefer something a bit more unusual, I’d look at the Yellow Assessor. Mine is such a character - one of my favourite fish I have for sure.

Another option could be a Pink Streak Wrasse or Wetmorella species.
Both nice but kind of hard to find.
 
possum wrasse or chalk basslet
 
What about a clown goby? So much personality!
 
If you want a dartfish, instead of the Helfrichi, maybe consider the purple. It is still a stunning fish. You absolutely need a tight fitting lid with any dartfish, but you can reduce their jumping, IME, if there is sufficient hiding spaces in your scape.
 

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