Guess the brackish water fish

[guppy]

Told you it would not take long, I was amazed to find out that this beauty gets 36" long. Your up!

 

[blacktip]

We had one that was about 18" in a 4000 gallon display tank at an lfs that I used to work at.

Here's something that's not quite as big.

 

[guppy]

A rivulidea, brackish so odds are it is the Mangrove rivulas, distinguished by being a self fertilizing hermanphradite, was Rivulas marmoratus but is now listed as Kryptolebias marmoratus.

 

[blacktip]

Can't get anything by you, guppy. Go ahead.

 

[guppy]

I like this one,

 

[blacktip]

I'm gonna have to say that is Vespicula depressifrons, the "butterfly goby"

 

[guppy]

That is the one, I've been told they have a very painful sting if they fin you but I sure like the looks.

 

[blacktip]

These guys are typically seen in saltwater but are known to spend time in brackish water when young:

 

[guppy]

Juvenile Platax teira?

 

[blacktip]

I knew this one would not last long.