Our 59th Year • Volume LIX • Number 2 • #6558 8 Catfish! From monsters larger than a grown man to small community-tank schoolers, catfish are among the most diverse groups of fishes known. Andrew Blumhagen

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features

52 Foreground Variations in the Nature Aquarium Cosmetic sand can be used in the foreground of a Nature Aquarium to create perspective and make the layout easy to maintain long-term. Takashi Amano

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Amazing Catfish Breeding Strategies Egg-scatterers, bubblenesters, and more—the myriad catfish species in the aquarium hobby exhibit a wide variety of breeding strategies. Eric Bodrock and Bob Bock

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A Giant Among Dwarfs: Apistogramma steindachneri The large-growing Apistogramma steindachneri is a great option for community tanks and breeding setups alike. Radek Bednarczuk

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Into the Deep: A Survey of Freshwater Sharks Unlike their namesake marine predators, freshwater sharks make interesting additions to reasonably sized tanks. Phil Purser

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Kelly Warm Springs:
The Tropics of Wyoming’s Grand Tetons
Amid snowcapped mountains, the warm waters of Kelly Warm
Springs host a resident population of tropical aquatic life year-round.
Howard Goldstein

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A Lovely New Import:
Marble Crabs Metasesarma obesum
A cute crab that can be found near both fresh and salt water, the
marble crab makes a fascinating addition to terrariums. Uwe Dost

columns

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Book Excerpt: Clownfishes and Other Damselfishes An exclusive look at the new book from T.F.H. Publications on the popular and easy-to-keep marine clownfish and damsels. Jeff Kurtz

24 Ask Jack Jack Wattley

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Hobbyist Profile: Thomas Siodmok, a Conservation-
Minded Reef Aquarist
After designing his own dream reef tank, one innovative aquarist is
using it to propagate corals to help the environment. Iggy Tavares