Monitoring Videos

Barnstable Clean Water Coalition

(May 2020) Sometimes known as the “Red Jelly”, Lion’s mane jelly got its common name from the mass of hair-like tentacles that hang from the underside of their bell. In cold waters, the largest individuals have had their bell grow up to eight feet in diameter and tentacles 120 feet long. This is longer than a blue whale!

(Jul 2019) The forbes sea star is the most common species of sea star found in Barnstable. They feed on bivalve mollusks by prying open the shells with their tubed feet. Check out how those tubed feet move!

(Apr 2019) The river herring are back! All animals, including these herring, need clean water to survive.

(March 2020) Streamflow monitoring at its fastest! Here’s a time lapse video of BCWC’s Meg and @americorps_cape_cod service member Alex taking streamflow measurements in the Marstons Mills River. This shows us collecting water velocity, water samples, temperature, and specific conductance. Despite this video being 26 seconds long, sampling at this station can take up to 45 minutes!

Video showing cyanobacteria

(March 2018) This is a time-lapse of the walk to one of our sampling sites in the Marstons Mills River. Fallen trees made this trek more challenging than usual.

Flashback Friday to finding this huge leech while performing an invertebrate stable isotope collection earlier this fall in the Marstons Mills River. Four times a year members of the EPA along with BCWC staff go out and collect macro invertebrates and aquatic plants to identify sources of nitrogen throughout the river.

Did you know there are freshwater jellyfish on Cape Cod!? These freshwater jellyfish, Craspedacusta sowerbii, were found at Neck Pond in Barnstable. They're an invasive species, originating from the Yangtze basin in China.

Asian Shore Crabs are an invasive species commonly found along rocky shores, under rocks and debris, overtaking potential habitat for native species. These pesky invaders were found huddled under a rock on Dead Neck Sampson's Island earlier this summer.

Another day, another Atlantic sea nettle spotted in the waters of Barnstable. These jellies have tentacles covered with venom-coated stinging filaments specifically used to kill or stun small prey. Watch out for these jellies when swimming!

These circles seen on the bottom of Mill Pond are nests made by pumpkin seed sunfish. The female sunfish lay their eggs in the cleared space and are guarded by the males until they hatch!

(May 2018) Elvers (juvenile american eels) were seen swimming in unison with herring yesterday in Barnstable. While herring are anadromous (spawn in fresh water, live in salt water), american eels are catadromous (live in fresh water, spawn in salt water).

(Apr 2018) The river herring are back in full force in the Marstons Mills River!

Wildlife Camera

(Feb 2019) Our wildlife camera captured this video of a coyote rummaging through the leaves! This is one of several coyotes who frequent this area.

(Mar 2018) Just a few nights ago, this river otter was playing along the Marstons Mills River. Tonight, however, it will be tucked away in its den awaiting the snowstorm.

(Jan 2018) A curious great blue heron was caught eyeing our wildlife camera along the Marstons Mills River.

(Nov 2017) River otters in Barnstable? Who knew!
While water sampling along the Marstons Mills River, we noticed animal tracks along the bank. After installing a motion sensor camera, we were able to capture this footage.


Barnstable Clean Water Coalition