heer is a link on all species of gobies this is more directed for scientific research .when i do this search i reference live aquarias scientific nams and all common names they are given some scientific names are not recognized in this comunity. click on each one you find common name for some have multipul names do to its origan scientific and common http://filaman.ifm-geomar.de/ComName...SearchList.php
at the bottom of each page there are multipal links of information for each species.live aquaria has the watchman goby at reaching up to 6 inches at maturity. lots of reading but you may enjoy the search as well
Thanks for the input! I did discover that the golden head gets to be a foot long! I don't think he'll fit in a 24G very long LOL. I'm looking more closely at the diamond and unleashed suggested that I look at the 2 spot gobie. I'm psyched!