Extrude Collection

Mud Volcano at gobustan in Azerbaijan

Brown Sandfish Sea Cucumber (Bohadschia vitiensis) adult, extruding white sticky cuivierian tubules in defensive behaviour, Lembeh Straits, Sulawesi, Sunda Islands, Indonesia, January

Sea Cucumber (Holothuroidea sp. ) adult, extruding white sticky respiratory tubules in defensive action at night
Sea Cucumber (Holothuroidea sp.) adult, extruding white sticky respiratory tubules in defensive action at night, Gam Island, Raja Ampat, West Papua, New Guinea, Indonesia

Leopard Sea Cucumber (Bohadschia argus) adult, extruding white sticky respiratory tubules in defensive action, Pulau Nailaka, Banda, near Ambon Island, Maluku Islands, Banda Sea, Indonesia

Spider spinneret, SEM
Spider spinneret. Coloured scanning electron micrograph (SEM) of the end of a spiders abdomen showing silk (threads) being produced by a spinneret

Spider silk, SEM
Spider silk, coloured scanning electron micrograph (SEM). Spiders silk is produced by spinnerets on the end of a spiders abdomen and is made of a protein polymer called fibroin

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"Extrude: Nature's Fascinating Phenomenon Unveiled" Witness the awe-inspiring power of extrusion at the Mud Volcano in Gobustan, Azerbaijan. Behold the Brown Sandfish Sea Cucumber as it defends itself by extruding white sticky Cuivierian tubules. Dive into the depths of the ocean and marvel at the defensive action of a Sea Cucumber, extruding white sticky respiratory tubules during nighttime in Raja Ampat, Indonesia. Explore Pulau Nailaka near Ambon Island and encounter the Leopard Sea Cucumber, showcasing its defensive prowess through extruded white sticky respiratory tubules. Delve into microscopic wonders with SEM images revealing intricate details of spider spinnerets responsible for silk extrusion. Discover nature's engineering marvels as SEM images unveil the intricacies of spider silk production through spinnerets. From mud volcanoes to sea cucumbers and spiders, these captivating examples showcase how organisms utilize extrusion for various purposes - defense mechanisms or creating intricate structures like spider webs. Whether on land or underwater, nature never ceases to amaze us with its remarkable ability to adapt and survive through extraordinary processes like extrusion. (Note.