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.
Predators of the Sea Cucumber. Sea cucumbers (Holothuroidea) are part of the phylum of sea creatures referred to as echinoderms, a group that includes sea stars, sand dollars and sea urchins. Approximately 1,250 varieties of ocean-dwelling sea cucumbers exist; all are considered vital to the ocean food chain, being both predators and prey.