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.
Sea cucumber (class Holothuroidea), any of 1,200 species of marine invertebrates that constitute a class within the phylum Echinodermata. The soft cylindrical body, 2 to 200 cm (about 0.75 inch to 6.5 feet) long and 1 to 20 cm (0.4â8 inches) thick, is usually a dull, dark colour and often warty, thus resembling a cucumber.