On a regular basis, some of that plankton will be washed through the display tank and contribute food. Zooplankton and phytoplankton can live in the refugium without being over harvested by the fish, corals, and other invertebrates found in the display tank. The increased use of sumps as refugiums actually encourages the growth of plankton in your home system. Some corals will thrive in your aquarium in the absence of a skimmer specifically because they will feed on the plankton that would normally be removed in the traditional filtration process. This will remove plankton directly or remove their source of food.
#Brown algae in goldfish aquarium free
The use of skimmers and filters will commonly remove free floating organic matter from the aquarium. There are a variety of methods to both encourage and discourage the growth of plankton in your aquarium. In this way, they contribute to the carbon cycle of the marine aquarium. Many, such as amphipods, are scavengers, and will feed on the detritus and waste material (or alternatively, become the detritus after death) found in your small, closed system of a home aquarium. In addition to their position as a food source, many forms of plankton contribute greatly to the breakdown of organic matter in the system. Additionally, many corals will capture zooplankton and bacterioplankton as food, despite their reliance on zooxanthellae (dinoflagellate algae) for nutrition via photosynthesis. Fish rely on plankton as a major food source as some point in their life cycle, most significantly in their larval stage. To begin, it makes a terrific natural food source. Plankton is important for a variety of reasons. The water found at corals reefs, and in your home aquarium, should always have a healthy population of plankton. Plankton float with the ocean's current and will even fall to the extreme depths of the ocean (the benthic zone) in the form of “marine or reef snow”. Although we may usually think of plankton as being microscopic species, many can be seen by the naked eye (such as copepods) or can even be quite large organisms (like some species of jellyfish).
Plankton is the term used to describe all free floating organisms in open water (marine and fresh). It isn't a species or type of plant or animal.
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