I’m a big fan of goby so a discovery like this excites me enough to share it with you all. The interesting thing is, I may never see these in the hobby, or I may already have seen them. Sometimes unidentified species get caught and sold. Since some of these look very much like known species it’s possible we’ve seen them before.
Thanks to advances in submersible technology, recent exploration of mesophotic (AKA twilight zone) Caribbean reefs have yielded nine new deep-water goby species and a reclassification of the Nes subgroup of gobies.
Source: Nine new goby species and four new genera — Advanced Aquarist | Aquarist Magazine and Blog