Too full of cross-wakes to look to the depths for the quantity of fresh water mussels (that are usually filtering our near waters), but doubt I could have seen the mussels anyway.
The top few feet was clouded by the thickest density of Gloeotrichia I've ever seen in this lake--and this is August!
(That's a different form of toxic blue-green algae that appears in September).
The late NHDES limnologist, Jody Connor, expounded here:
https://www.winnipesaukee.com/forums...69&postcount=5