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Archive for the ‘Fish-keeping’ Category

A nice film showing Venezuelan fish in their natural habitats. Featured species include Pterophyllum altum (altum angelfish), Moenkhausia pittieri (diamond tetra), Mikrogeophagus ramirezi (butterfly cichlid) and Panaque nigrolineatus (royal pleco).

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Redfish Magazine is a a free digital magazine for freshwater and marine fishkeepers produced monthly with separate editions for American, European and Australasian regions. It is distributed exclusively over the internet in digital form, free of charge. Redfish features dedicated sections for tropical, marine, cold water and pond hobbyists.

Redfish is a free-to-read magazine for fishkeeping enthusiasts. At Redfish we believe in the free exchange of information to facilitate success by aquarium and pond hobbyists. Each month Redfish Magazine will bring you dedicated sections on tropical, cold water, marine and ponds.

Redfish was founded in early 2011 by Jessica Drake, Nicole Sawyer, Julian Corlet and David Midgley

The magazine is laid out beautifully in an up to date contemporary style and articles are illustrated throughout with striking colour photographs.

Issue 1 - July 2011

The articles themselves are of a generally high standard and have so far covered such diverse subjects as Guppies, corals, spawning clownfish, The history of goldfish, Aquarium basics (a 3 part series) and aquascaping. There is something for everyone here and every article is worth reading even if it outside your main areas of interest. The articles vary at the level they are pitched at with some for those just starting out in the hobby and others for readers with a bit more experience. All are eminently readable and enjoyable.

Redfish Magazine is available for downloading in pdf format so can be viewed on any PC or Mac with a free pdf viewer installed. (Which effectively means them all)

Redfish Magazine is informative, entertaining, beautiful to look at and simple to obtain.The bold decision to make it free means it rates a well-deserved 5 stars.

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Corydoras paleatus

Image via Wikipedia

Author – Peter Bennett

Equipment used

  • 2 litre clip lip tub (5mm hole drilled in lid)
  • Interpet API air pump
  • 30cm length of airline
  • Double airline valve
  • Plastic measuring jug
  • Turkey baster
  • Chopstick
  • Face cloth
  • Stanley knife blade
  • 10 litre container
  • Interpet Liquifry No. 1
  • Interpet Liquifry No.2
  • Tetra Babymin
  • Tetra Tabimin
  • Java moss

Method

This species laid a few eggs on the aquarium glass. I used a clean Stanley knife blade to carefully scrape them off and placed them in a bunch of Java moss in a 2 litre tub three-quarters filled with tank water. I put the tub on top of the fish tank hood with the face cloth under it. I rigged up the airline to the pump and valve then threaded it through the hole in the lid. I then adjust the valve until there was about one bubble every second.

I filled the 10 litre container with clean water and used this for water changes. I changed about a third of the water twice daily – using the turkey baster and chopstick to avoid losing any eggs or fry. The eggs hatched after 5 days and I started to feed the fry after 2 more days. I used just 1 drop of Liquifry No. 1 with each water change to begin with. After about 2 weeks I started to feed Tetra Babymin and crushed Tetra Tabimin.

At the time of writing (some 6 weeks after hatching) the baby corys are 10 – 12mm in length and very healthy. The temperature of the water was 24 – 25oC and the pH about 6.6.

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Melanoides tuberculatus

Image via Wikipedia

Pest aquatic snails are most commonly ramshorn snails, tadpole snails and turret snails. Ramshorn snails (Planorbis spp.) have flat, spiral shells and most are small (less than a quarter-inch across). Tadpole snails or pond snails (Physa and Physella spp.) have bulbous, translucent-brown shells up to a half-inch long. They lay their eggs in distinctive jelly-like clumps. Turret snails or Malayan livebearing snails (Melanoides tuberculata) have conical shells up to an inch long with purple flecks. They are nocturnal and prefer to burrow through sand, but are sometimes active by day.

A decent article on snails from Neale Monks Ph.D.

Read more here – Fish Channel.com

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Part of the irresistible appeal of fish-keeping is its tremendous scope. You can focus on a particular group, keep a mixed community aquarium of different yet compatible types, or even specialize in the various forms of a single species. Discovering more about the characteristics of the main groups will help you decide.

More here – Times of the Internet

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Back in August I reported my Corydoras guapore had spawned and that I was hoping for some fry. I’m happy to report that I was able to raise fry from several different spawnings. In all I have raised around 60 fry and managed to sell some at the Catfish Study Group‘s annual auction last week.

Corydoras guapore at around 6 weeks

 

Here is a short video showing some of the fry and a full account will be published on Planet Catfish in due course.

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Cyphotilapia frontosa with fry in mouth Photo ...

Cichlid with buccal cavity full of fry - Image via Wikipedia

This week’s word is buccal.

Pronounced – BUCK-ill

Meaning – relating to the cheeks or the mouth cavity.

Origin – from the latin word bucca, meaning cheek.

Example usage – mouth-brooding cichlids hold eggs in their buccal cavity.

Trivia – hamsters and chipmunks are famous for stuffing their buccal cavities with food. In humans a cosmetic surgeon can carry out buccal fat removal surgery to cure what is known as “chipmunk cheeks” in well to do women.

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