Bath sponges – Marine animals without backbones – Te Ara Encyclopedia of New Zealand

The natural sponges we use in our baths are actually animal skeletons. Bath sponges consist of a highly porous network of fibres made from a collagen protein called spongin. The skeletons are obtained by cutting the growing sponges and soaking the cut portions in water until the flesh rots away.

FC-BIOS - 𝗦𝗰𝗶-𝗙𝗮𝗰𝘁#𝟰𝟰: 𝗕𝗶𝗸𝗶𝗻𝗶 𝗕𝗼𝘁𝘁𝗼𝗺

New species of 'sneezing' sea sponge discovered in Tauranga

Marine animals without backbones – Te Ara Encyclopedia of New Zealand

Beyond the Bathtub Caradonna Adventures

Beyond the Bathtub Caradonna Adventures

The Hidden Biology of Unlikely Animals

Marine biologist excited by discovery of new sponges

Magical mysteries of marine sponges - ScienceDirect

Co-cultivation of the marine sponge Halichondria panicea and its