A global community of nature enthusiasts
photographing and learning about wildlife
Photo take at -35 ft on a coral reef , common yellow tube sponge in the Caribbean. Originally described under genus Siphonodictyon. Excavating, with epilithic bright yellow large papillae; excavating mass soft, fills the entire cavities. It may encrust all the excavated substratum becoming massive. Exudes abundant mucus when handled.
Found on shallow reef in all the Caribbean Sea.