Observed in West Meadow Creek, Stony Brook, NY.
Depth of ~115 feet, Sponge is 2m thick). Water temp -1.7˚C, salinity 35ppt.
I think this is what this one is. Washed up on the Tohe.
Lighthouse Reef, Ulladulla
Sponges are animals of the phylum Porifera (/pɒˈrɪfərə/; meaning "pore bearer"). They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells. Sponges have unspecialized cells that can transform into other types and which often migrate between the main cell layers and the mesohyl in the process. Sponges do not have nervous, digestive or circulatory systems. Instead, most...