The barrel sponge (Xestospongia muta) may live for 100 years and grow to over 6 ft (18.m) tall. While populations have declined at sites throughout the Caribbean, they appear to be quite healthy on Little Cayman Island. Images Courtesy of the Twilight Zone Expedition Team 2007, NOAA-OE.
Related Links
Cayman Islands Twilight Zone 2007
