Fish Compatibility Category;
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Fish Compatibility Articles;
"Beware the Little Nippers"
THE COMMUNITY AQUARIUM: PRINCIPLE NUMBER 2
"If the guppy fits - EAT IT!"
THE COMMUNITY AQUARIUM: PRINCIPLE NUMBER 1
Kings of the Castle
THE COMMUNITY AQUARIUM: PRINCIPLE NUMBER 3
Plan Ahead
THE COMMUNITY AQUARIUM: PRINCIPLE NUMBER 6
Victims - and Criminals - of Circumstance
THE COMMUNITY AQUARIUM: PRINCIPLE NUMBER 4
Beginner's Fish
You don't have to be a "beginner" to appreciate fish that tolerate a wide variety of water conditions, temperature fluctuations, break-in cycles, overfeeding and other common problems. While not indestructible, these species are among th ...
Bettas in the Community Tank
There are few fish more beautiful and graceful than Betta splendens, commonly known as the Siamese Fighting Fish. And while these gorgeous air-breathing wonders are probably best suited for life alone in smaller aquariums, they can be kept in certai ...
Cichlids and Cichlids
Most hobbyists have at least heard of the fish family called "Cichlids", but many mistakenly assume that all cichlids are the same - too mean for community tanks, but can be kept together with all other cichlids. The truth is, however, t ...
Fish Intelligence and Communication
Like all other creatures on this planet, your fish rely on instincts, senses, and communication capabilities that have evolved to cater to their particular mode of existence.
If the Fish Fits...
One of the more obvious clues to whether or not fish will mix is relative size. Given the opportunity, most fish have no aversion to gulping down a smaller tankmate. In fact, the general rule of thumb is: "If it fits in the mouth, it g ...
Inviting Disaster Into Your Community Tank
Here's a candid question from my friend Bob: "I just got a 20-gallon tank and was thinking about putting in about a dozen Neon Tetras, six to eight Mollies, a Plecostomus and perhaps introducing two to three Angelfish afterwards. Is this an acceptable plan?"
Livebearing Fishes
Some of the most popular freshwater aquarium fish, including guppies, mollies, swordtails and platies, deliver fully formed young, as opposed to the vast majority of fishes, which lay eggs. Scientifically, these fish are said to be viviparous, or ev ...
Lunkers
Lunkers Some folks are happy with an aquarium full of guppies or tetras, but others don't just want fish, they want F-I-S-H - like snakeheads, pacus, arawanas, clown knives, as well as oscars and a host of other huge cichlids. On the pl ...
Mixing the Meanies
"I want a tank full of really mean fish that all get along." .
Schooling Fish
Many popular freshwater and saltwater aquarium fish have a natural tendency to school. In the wild, many of the danios, barbs, tetras, tangs and wrasses are found in groups of dozens, hundreds or even thousands. Attempting to keep one or "a ...
Step-by-Step Guide to Setting Up the Ideal Fish Community
Taking all the fish compatibility issues (water, food, behavior, and environment) into consideration, here's how to set up and maintain your community tank.
Terrible Two's.
THE COMMUNITY AQUARIUM: PRINCIPLE NUMBER 5
The Ideal Fish Community: Compatibility Issues
Fishkeeping is a science as well as an art. You can measure your success by whether or not you have a thriving fish community. What compatibility issues do you need to deal with?
Trouble in Two's.
Many hobbyists like to purchase fish in "pairs", but this often leads to problems. Unless the fish are of a very peaceful species (e.g. white clouds or Corydoras catfish) or a known "mated pair" of monogamous American cichlids, o ...
What Are the Odds?
What Are the Odds? # offishoddsof pair 10.0% 250.0% 375.0% 487.5% 593.8% 696.9% 798.4% 899.2% 999.6% 1099.8% It has long been held that one of the best ways to obtain mated pairs of fish is to purchase a group of y ...