Category Archives: Invertebrates

Living sponges as filters for the reef aquarium – Part 2

Which are the most suitable sponges? Those aquariophiles who have already tried to keep in their tanks those bigger sized sponges available on the market, often have the impression that these organisms may represent an almost unsustainable animal group. For many sponges this can effectively be true, particularly if, during yield, transport and maintenance, they […]

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Living sponges as filters for the reef aquarium – Part 1

An aquarium keeper who intensely deals with the internal structure and physiology of sponges, will presumably be surprised. With a relative and quite big probability, indeed, he will find out that living sponges, in their functionality, are surprisingly similar to those devices developed during the last few years in aquariology for water cleaning treatments. As […]

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The Soft coral Lobophytum sp.

Description The soft coral of the Lobophytum genre, spread all over the Indopacific Ocean, tends to form large¬†colonies, usually fairly extensive. It is often of a pale brown color and it has white tentacles. Lightning From moderate to strong. In case of HQI lighting, corals can be placed in proximity of the bottom. They tend […]

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Bispira brunnea, the colonial tubeworm

Diffusion Tubeworms originate from the Caribbeans and they are spread in the entire Caribbean Sea, including the Bahamas. Description Bispira Brunnea forms clusters made up by many different individuals able to reach up to 20-30 centimeters in diameter. The sprawling crown of a single tubeworm is mainly of a pale brown color and it gets […]

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Symbionts anemones in reef aquarium – Part 2

Feeding I often get asked what is the food of anemones. Do I have to feed my anemone? Like in hard corals, anemone tentacles too contain zooxantelle, which alongside the byproducts of their photosynthesis cover the most part of carbon requirements. Because of their symbiont algae these sea anemones are limited in nature to areas […]

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