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Mike Hellweg, Contributing Author

Mike Hellweg has been an active aquarist for more than 30 years and has been actively breeding fish since he was 9 years old, working almost exclusively with small fishes that mature at 4 inches or less. He is active in both local and national hobby organizations, and has had dozens of articles published in various publications. Hellweg originally wrote the “Adventures in Fish Breeding” column for FishChannel.com, which now appears in Aquarium Fish International magazine. He currently owns and operates a retail fish business.

He is a master fish breeder – one of his accomplishments includes breeding 169 species of fish in just one year.

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Fish Aquarium Filtration
         Pay attention to aquarium filtration so your fish can thrive.

Water Motion
        Creating realistic water motion in our closed aquarium systems.

Maintaining a Marine Tank
         Filling and maintaining a saltwater aquarium.

Emulating Nature: The Reef Habitat Tank
        Model your reef tank after a natural coral reef.

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Freddy P    Yucaipa, CA 12/6/2012 7:42:25 AM It is not recommended to keep more than one red-tailed or rainbow shark in the same tank LINK Also, the Bala shark can get very big. 20gallons is too small for a bala. troy    flowermound, TX 12/5/2012 3:51:30 PM hello, i have a friend who has a 20 gal and i have a 55gal. will my friend be able to put 1 red tailed shark, 1 raplhael catfish,1 bristle nose, 2rainbow sharks, 1 bala and 2or3 other shark species like red taild in a 20 gal? Dot    HAWK Junction, ON 10/28/2011 5:20:09 AM Great magazine, great articles. Brian    Riverton, UT 10/26/2011 11:37:01 AM I enjoy Mike's articles, very thourough.