Every student who is interested in a master's degree in aquatic biology/limnology has to check out Texas State University. Located in the small city of San Marcos, Texas State is a public university with a very large student population. You also may be intersted to know that the school ranks #1 in quality for master's degrees in aquatic biology/limnology in Texas. More information about a master’s in aquatic biology/limnology from Texas State University