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The majority of corals can be "fragged", whereby a portion of a larger captive coral is separated and can subsequently be raised into an individual specimen, allowing for coral propagation within the domestic aquarium; the trade in frags (i.e. fragments) offers a fantastic opportunity for marine aquarists to obtain new and unique corals while ...
More advanced setups can include several lamp types and can also include lamps of different colours. Lamp colour plays an important role in reef aquarium lighting for both aesthetic preference and to optimally sustain the photosynthetic life within the aquarium. Many corals require a deep blue or actinic spectrum of light to thrive.
Lighting: Several lighting options are available for the reef-keeper and are tailored to the types of coral kept. Canopy: The canopy houses the light fixtures and provides access to the tank for feeding and maintenance. Filtration and water movement: A variety of filtration and water movement strategies are employed in reef aquaria. Bulky ...
A new study has found that the free-living mushroom coral responds to specific types of light by “walking” towards it, suggesting remarkable adaptability in the marine species.. Not all corals ...
Zooxanthellae require a mixture of white and blue light to thrive within the coral, depending on the coral type. [11] Some corals, like the orange cup coral, do not require light, and rely on the plankton or free-floating nutrients as sustenance. [12] Coral reefs protect the coastline from erosion and storm damage.
Porites is a genus of stony coral; they are small polyp stony (SPS) corals. (Also referred to as finger coral or hump coral) They are characterised by a finger-like morphology . Members of this genus have widely spaced calices , a well-developed wall reticulum and are bilaterally symmetrical .
The classification of corals has been discussed for millennia, owing to having similarities to both plants and animals. Aristotle's pupil Theophrastus described the red coral, korallion, in his book on stones, implying it was a mineral, but he described it as a deep-sea plant in his Enquiries on Plants, where he also mentions large stony plants that reveal bright flowers when under water in ...
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