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In J. Charles Delbeek's article Your First Reef Aquarium, [2] he states, The use of live rock immediately introduces into the aquarium numerous algae, bacteria and small invertebrates all of which contribute to the overall quality of the aquarium water. Live rock has just as much, if not more, surface area for bacteria than a trickle filter.
The most common way to tell if a coral is healthy is by looking at its coloration. A dead or unhealthy coral will be bleached, which means they have 40%-50% or more of their pigmentation missing. [7] Some coral diseases take the form of a narrow band of diseased tissue separating the living tissue from the exposed skeleton.
This calcified genus of Coralline algae encrusts shallow-water rocks, helping to build reefs by cementing dead coral together. It is pink-purplish in coloration and features irregular knobs. Fragments of the algae may be placed in aquariums to kickstart the growth of Coralline algae. [163] 10 in (25.4 cm) [163] Tattered sea moss: Hypnea pannosa ...
Record hot seawater killed more than three-quarters of human-cultivated coral that scientists had placed in the Florida Keys in recent years in an effort to prop up a threatened species that’s ...
One important algal group, the bottom dwelling algae, grows over dead coral and other inert surfaces, and provides grazing fields for herbivores such as parrotfish. [17] Parrotfish are named for their parrot-like beaks and bright colours. They are large herbivores that graze on the algae that grows on hard dead corals.
Found burrowing in mud or sand flats in the wild, they need a deep sand bed in their aquarium. 60 cm (23.6 in) Sea spider [3] Pycnogonids: No: Not collected for the aquarium trade, but occasionally seen on live rock and corals as a hitchhiker. They can be pests in a reef tank, preying on soft coral, sponges and anemones. 0.2–50 cm (0.1–19.7 in)
Skeletal eroding band is visible as a black or dark gray band that slowly advances over corals, leaving a spotted region of dead coral in its wake. [1] The spotted area distinguishes skeletal eroding band from black band disease, [1] which also forms an advancing black band but leaves a completely white dead area behind it.
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