Human Trafficking Defined. The chart below, developed by the Solidarity Center, extrapolated and simplified from the 2000 UN Protocol to Prevent, Suppress and Punish Trafficking in Persons, especially women and children definition, is a useful tool for analyzing individual cases to determine whether or not they constitute trafficking.
Foster & Smith Educational Staff Macroalgae such as Halimeda, Chaetomorpha, and other large celled algae are valuable additions to a saltwater aquarium. Algae and all photosynthetic creatures serve two important roles in the ecosystem of the oceans and aquariums.
Perhaps the most popular freshwater algae eater fish are the sucker mouth catfish including Plecostomus (Plecos) and Otocinclus (Otos). While they do a good job on most forms of green and brown algae, especially algae on the tank walls, their mouths are not equipped with rasps that are strong enough to remove stuck on algae from tank walls.