Official websites use .gov
A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS
A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.
Sponges were the most abundant type of life seen during the fifth dive of the 2021 North Atlantic Stepping Stones expedition. This hexactinellid glass sponge with several siliceous, fibrous rays attaching it to the seafloor was seen at a depth of approximately 4,140 meters (2.6 miles).
