Fish Species at
June 2011

Yellow-Headed Jawfish
Opistognathus aurifrons has been a staple in marine aquariums for 60 years. Bonus Content>>
By Bob Fenner

Guide to Freshwater Hitchhikers: The Benign, the Bad, the Bizarre
If you spot hitchhikers in your tank, don’t panic — there are ways to keep them under control. Bonus Content>>
By Rus Wilson



Amazonian Leporinus
Learn how to distinguish between the Leporinus species that are occasionally available in local fish stores. Bonus Content>>
By Stephen G. Noble

Nano-Reef Aquariums: Part 1
When it comes to reef aquariums, bigger is not always better. More>>
By Scott W. Michael

Not-So Neon
While false and black neon tetras aren’t as popular as their neon tetra cousins, they make great aquarium residents. More>>
By Mike Wickham

Two Apistogramma Breeding Projects
Breeding these colorful inhabitants of South American flood pools should be left to experienced aquarists. More>>
By Radek Bednarczuk

Educating the Next Fishkeepers
The Lyons Fish Finatics, a middle school fish club in Iowa, teaches students about fishkeeping, nature and discipline. More>>
By Cassandra Radcliff

Silvertip Tetras
With their own planted tank, silvertip tetras will brighten up and prosper. More>>
By David A. Lass

Why Water Chemistry Is Vital
This quick primer will help you easily understand the basics of water chemistry parameters. More>>
By Ed Mackey, MS, Ph.D.

Macroalgae Forests
The “seasonal” color displays in a macroalgae setup might even make reef hobbyists envious. More>>
By Jon Olav Bjorndal

Utilitarianism Fishkeeping
Hobbyists can breed the endangered Xiphophorus couchianus (and other threatened fish) and help educate fellow hobbyists while improving fish numbers. More>>
By Gary Elson

  • Editor’s Corner
  • Freshwater Q&A
    By Mike Wickham
  • The Aquabotanist
    By Stephen G. Noble 
  • Reef Aquarist
    By J. Charles Delbeek, M.Sc.
  • Adventures in Fish Breeding
    By Mike Hellweg
  • Fresh Fish
    By Jim Walters
  • FishKidz
    By David A. Lass
  • Saltwater Q&A
    By Scott W. Michael
  • Species Profile: Chalk Bass
    By Steven Bitter
  • Aquatic Maestro
    By Paul Speice
  • Wet Vet
    By Mark A. Mitchell, D.V.M., Ph.D.
  • Sandmail
    By Bob Goemans
  • Popular Freshwater Tropicals
    By Iggy Tavares, Ph.D.
  • Reef Notes
    By Vincent Hargreaves, Ph.D.
  • Freshwater Forum
    By Jeffrey C. Howe
  • In the Fish Room
    By David A. Lass
  • Aquabits
  • Aquarist's Notebook: CO2 Yeast Reactors 
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