Freshwater Aquarium Maintenance
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There are more than 2,000 species of fish suitable for aquariums. When selecting fish for your aquarium, considerations include:

• Size at full growth
• Compatibility
• Agression
• Diet
• Environment
• Group vs solitary preferences
• Aquarium location

Popular Aquarium Freshwater Fish:

Cypriniforms

This category of fish is generally social and easy to maintain. A goldfish (Carassius Auratus) can live to 30 years! The Clown Loach has a lifespan of 24 years.

• goldfish
• koi
• loaches
• barbs
• danios
• rasboras
• sharks

Cichlids

Brightly colored and diverse, the tropical Cichlids can be aggressive and territorial.

Rainbowfish

Beautifully colored, iridescent and peaceful.

Cyprinodonts

Cyprinodonts tend to live near the surface and require a higher level of care. Most Killifish have a lifespan of two to five years.

• toothcarps
• killifish

Labyrinth Fish

Mostly social and peaceful.

• gouramis
• fighting fish
• combtails
• paradise fish

Catfish

Catfish are scavenger fish. Some can get very large. The Orangestriped Squeaker can live to 20 years; the Synodontis Multimaculatus to 26 years.

Characiforms

Many of these attractive species are wild caught. Some popular tetras (Neon, Black, Bloodfin, Cardinal, Glass) can live to 10 years or more.

• characins
• tetras
• hatchetfish
• pencilfish
• splash tetras

For a comprehensive list of popular freshwater aquarium fish lifespans, visit Aquariuminfo News .