Four years ago, our team began monitoring a uniquely threatened Massachusetts population of the typically saltwater species, the Threespine stickleback. This population is unique in that it inhabits an urban freshwater pond, despite being typically a saltwater species, and is … Continued
On a sunny early October day, ZNE’s Field Conservation staff conducted a unique survey at an urban park in Boston. Department Director Bryan Windmiller and Field Conservationist John Berkholtz visited a spring-fed pond where the state-Threatened threespine stickleback fish makes its home. This small fish, about 1.5 to 2.5 in long, has three dorsal spines (hence the name) as well as two pelvic spines. This species … Continued