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Bristleworms Class: Polychaeta

Marine Topics - Marine Pests
Bristleworms Class: Polychaeta 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.

Tropical Marine Blennies

Marine Fish - Blennies
Algae Blenny (Salarius fasciatus) Family: Blennidae

Sooner or later, the serious marine aquarist cannot fail to come upon these endlessly fascinating and endearing group of fishes. Their curious habits and occasional brightly coloured appearance have continued to make them a firm favourite with reef and fish-only keepers alike.

Blennies are found in seas all over the world. They are particularly abundant in tropical, sub-tropical and temperate waters. Indeed, there are over 300 species included in the family Blennidae alone, with another 400 in closely associated genera. The largest rarely exceed 10cm in length and are therefore ideally suited for life in the aquarium. Newcomers will find the majority of specimens an ideal first choice and many can be recommended without hesitation.


Calcium Reactors

Marine Topics - FAQs

Q) Is it absolutely necessary to have a calcium reactor in my reef aquarium?
John Sullivan, Maldon, Essex. England.

A) It really depends on what type of livestock predominates. Soft corals and anemones for example do not have a calcareous skeleton and have little need for high calcium levels. Consequently, they tend to do very well in aquaria where calcium is in short supply.


Ossie Vs Mr Plec

Freshwater Topics - General
Those of us blessed with children would recognise the situation perfectly. Take two semi-adolescent children - brothers, sisters, one of each and put them on the sofa. One way or another a squabble begins and always ends in tears. Sometimes it's nice to come to work and leave all that behind...

Big Fish for The Marine Aquarium!

Clown Trigger Fish (Balistoides conspicillum) One type of marine aquarium never fails to create a stir, the fish-only tank containing BIG fish! The sight of large slices of brightly coloured piscine flesh cruising around an equally spacious aquarium is enough to make anyone's heart beat a little quicker.

 

The Micro Shrimp Tank

Blood Shrimp (Lysmata debelius) Most of my regular readers will already be aware that, on the whole, I do not condone small marine tanks; that is, tanks with a nett volume of less than 20 gallons (91 litres). They are usually very unstable as far as water parameters are concerned and subsequently exert...

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