Collagen is the principal constituent of the fiber-network layer of our skin. More than a third of the body's protein is collagen, and it can account for an even higher percentage in particular parts of the body. Collagen makes up 70% of our skin tissue.
Sea lice are parasites of the Caligidae family of arthropods and are among the most notorious pests affecting cultured marine fish.They have a particularly large impact upon salmonid fish production.ea lice on a salmon. (Wikimedia Commons). Sea lice are parasites of the Caligidae family of arthropods and are among the most notorious pests affecting cultured marine fish. They have a particularly large impact upon salmonid fish production.
Taxonomy: Sea Apple Australian belongs to the Kingdom Animalia, Phylum Echinodermata, Class Holothuroidea, Order Dendrochirotida, Family Cucumariidae, Genus Pseudocolochirus and Species violaceus. Sea Apple Australian is found on hard surface such as coral reefs, at a depth of around twelve meters or forty feet from the sea level. 2  Pseudocolochirus violaceus may secrete poisonous membranes if it is stressed or if it dies. 3  The toxins are called holothurin and holotoxin.