"Butterfly Goby" but it looks more like a grouper?
About 8 bucks. BTW they prefer the lower end of BW like 1.003 to 1.006
<80 gal> 2 GSPs & a Ceylon!
<75 gal> 3 Figure 8s & 1 Butterlfy Goby
<75 gal> *Empty*
<55 gal> 3 Gymnothorax polyuranodon (FW eel)
<30 long> Pair of Lorteti's & Irrubesco's, 1 DP, Endlers Livebearers, Clown Pleco, Royal Pleco, 2 Bumblebee Cats
<20 long> 4 Flounders
<4 gal> 2 Sparkling Gouramis & 3 ottos heavily planted

~Tihsho~
<75 gal> 3 Figure 8s & 1 Butterlfy Goby
<75 gal> *Empty*
<55 gal> 3 Gymnothorax polyuranodon (FW eel)
<30 long> Pair of Lorteti's & Irrubesco's, 1 DP, Endlers Livebearers, Clown Pleco, Royal Pleco, 2 Bumblebee Cats
<20 long> 4 Flounders
<4 gal> 2 Sparkling Gouramis & 3 ottos heavily planted

~Tihsho~