Hornwort
Ceratophyllum demersum
Size: to 10 ft
Habitat: beneath the surface in quiet waters
Notes: May form dense thickets
Digital camera technology is progressing at a phenomenal rate. Much like computers, prices steadily fall, while features and performance improve. When setting up an underwater digital photography system, first make sure you have the very best and latest top-of-the-line digital camera available. Don't buy a housing for a camera that is already old, or you will find yourself stuck with an expensive combination that is already obsolete, or very soon will be. Get a new camera first, then get a housing for it.
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