Aquarium Fish International - June 2011 - Volume 23, Number 6

FEATURES
24 YELLOW-HEADED JAWFISH
Opistognathus aurifrons has been a staple in marine aquariums for 60 years.
By Bob Fenner

28 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.
By Rus Wilson



34 AMAZONIAN LEPORINUS
Learn how to distinguish between the Leporinus species that are occasionally available in local fish stores.
By Stephen G. Noble

42 NANO-REEF AQUARIUMS: PART 1
When it comes to reef aquariums, bigger is not always better.
By Scott W. Michael

48 NOT-SO NEON
While false and black neon tetras aren't as popular as their neon tetra cousins, they make great aquarium residents.
By Mike Wickham

54 TWO APISTOGRAMMA BREEDING PROJECTS
Breeding these colorful inhabitants of South American flood pools should be left to experienced aquarists.
By Radek Bednarczuk

58 EDUCATING THE NEXT FISHKEEPERS
The Lyons Fish Finatics, a middle school fish club in Iowa, teaches students about fishkeeping, nature and discipline.
By Cassandra Radcliff

60 SILVERTIP TETRAS
With their own planted tank, silvertip tetras will brighten up and prosper.
By David A. Lass

64 WHY WATER CHEMISTRY IS VITAL
This quick primer will help you easily understand the basics of water chemistry parameters.
By Ed Mackey, MS, Ph.D.

102 MACROALGAE FORESTS
The "seasonal" color displays in a macroalgae setup might even make reef hobbyists envious.
By Jon Olav Bj¿rndal

112 UTILITARIANISM FISHKEEPING
Hobbyists can breed the endangered Xiphophorus couchianus (and other threatened fish) and help educate fellow hobbyists while improving fish
numbers.
By Gary Elson

COLUMNS
4 Freshwater Q&A
8 The Aquabotanist
14 Reef Aquarist
18 Adventures in Fish Breeding
70 FishKidz
72 Saltwater Q&A
74 Fresh Fish
76 In the Fish Room
128 Aquarist's Notebook: CO2 Yeast Reactors/Fish Chat

DEPARTMENTS
1 Editor's Corner
20 Aquabits
21 FishChannel.com
77 Buyer's Guide & Reader Reward
78 Livestock Section (Wholesale Only)
79 Online Marketplace
122 Dealer & Classified Advertising
124 Aquarium Clubs & Societies
125 Ad Inde

FAMA
From the pages of
Freshwater and Marine Aquarium
86 AquaticMaestro
88 Sand Mail
90 Wet Vet
94 Popular Freshwater Tropicals
96 Reef Notes
98 Freshwater Forum
120 Species Profile: Chalk Bass

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