November 2015 archive

Nov 28

Saltwater fish food

tropical marine fish feeding frenzy

Feeding saltwater fish Different fish have different diets Saltwater fish food is not as easy to get right as for freshwater fish. Depending on the type of marine fish you have, they will have different feeding needs. There are the seafood eaters who will require bits of fish or seafood tidbits. Then there are the …

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Nov 28

Saltwater aquarium maintenance

aquarium-vacuum

Saltwater aquarium maintenance Daily tasks in saltwater aquarium maintenance Once your saltwater aquarium has become properly established with all the fish, corals and invertebrates that you want and the liverock has developed a healthy colony of de-nitrifying bacteria and other micro-organisms then your job should start to get easier. This process may take a few …

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Nov 23

Common livebearer illnesses: how to recognise and treat them

pineapple male swordtail

Common livebearer illnesses Most tank raised livebearers are quite healthy fish. In other words they hardly ever get sick as long as their aquarum is kept clean and healthy and nothing goes wrong such as a faulty heater. However, dirty water, overcrowded aquariums, overfeeding or even a poor diet can lead to livebearers getting sick. …

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Nov 16

Fish coloration

various tropical fish colours

Coloration in fish How do fish colours come about? Fish coloration is formed by the reflection and absorption of various parts of the spectrum of light inside specialised cells. This is achieved by various layers of colour forming cells, such as crystals in the skin(iridophores), pigment cells(Chromatophores) and underlying flesh colours. Pigment cells are of …

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Nov 09

Fish anatomy

fish anatomy

Anatomy of fish The shape of a fish’s body tells you a lot about its behaviour in the wild. Long stream-lined fish are usually lake or river fish. Being streamlined helps a fish to swim faster in rapid moving waters or open bodies of water such as a large lake. Short or stocky fish are …

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Nov 03

Feeding guppies, mollies, platies and other livebearers

guppies and platies in a community tank

Feeding guppies, mollies, platies and other livebearers Feeding livebearers can be easy especially the commonly found livebearers, but to get the best results then care must be taken with their diet. Most livebearers are omnivorous, eating both animal matter and vegetable matter. Other livebearers are mostly vegetarian such as the platy and goodeid livebearer. And …

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