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Marine Topics -
Decor
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 One of the greatest pleasures of marine fishkeeping has always been to replicate as accurately as possible the authentic environment of a particular range of livestock, thus enjoying perfectly natural behaviour. Depriving fish and invertebrates of a similar environment from which they were collected can create stress, leading to strange behaviour patterns, disease, and in extreme cases death! |
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Marine Topics -
Marine Pests
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 Anyone whose hand has ever come into contact with a bristleworm will tell you that they leave fine, barbed hairs embedded in the skin, causing a rash and an irritation somewhat like a nettle. Whilst this may prove a relatively minor inconvenience to the aquarist, bristleworms are not only scavengers but predators which can damage valuable livestock. Particularly prone are those fish that 'lock' themselves into a safe crevice at night e.g. Firefish, as well as a variety of invertebrates such as clams. |
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Marine Topics -
Marine Pests
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 Like its terrestrial neighbour, The Mantis Shrimp (Odontodactylus spp.) is a dangerous and cunning predator. It secretes itself in holes within living rock and more often than not finds its way into the aquarium via that same route. Indeed, some consignments of living rock can be so dense with them that one can be found in almost every hole. The adult size of this shrimp can vary widely within a range 2-12" (5-30cm), depending on species. Whilst hovering at the entrance to its resident hole, the mantis shrimp can flash out club-like appendages at anything considered edible passing within range. Fish, crustaceans, molluscs, aquarist's fingers(!), all can fall foul of this voracious hunter.
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Marine Topics -
Marine Pests
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 These sedentary creatures are often regarded as beautiful and desirable invertebrates for the reef aquarium; but beware, there can be a high price to pay! Large polyps of this nature are highly predatory on fish and crustacea. |
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Marine Topics -
Marine Pests
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 Amphipods are a catch-all title for tiny crustaceans generally found feeding amongst the detritus at the bottom of an aquarium, within the filters, or even on the front glass. They are easily identified as shrimp-like creatures up to one centimetre in length, half-moon in shape and grey in coloration.
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