With their eye-catching colors and fascinating behaviors, as well as their general hardiness and relatively small sizes, clownfishes and other damsels are understandably among the most popular of the marine aquarium fishes. Beloved by beginners and experts alike, these attractive and outgoing members of the family Pomecentridae—such as the ever-popular Amphiprion ocellaris on this month’s cover—make excellent aquarium specimens if purchased in healthy condition and provided appropriate accommodations, as explained in this month’s selected excerpt on choosing and housing pomacentrids from the new T.F.H. Publications book Clownfishes and Other Damselfishes (p. 90). Photograph by Olga Khoroshunova/Shutterstock

Feature Articles

A Giant Among Dwarfs: Apistogramma steindachneri

Author: Radek Bednarczuk

The large-growing Apistogramma steindachneri is a great option for community tanks and breeding setups alike.

A Lovely New Import: Marble Crabs Metasesarma obesum

Author: Uwe Dost

A cute crab that can enter both fresh and salt water, the marble crab makes a fascinating addition to terrariums.

A Survey of Freshwater Sharks

Author: Phil Purser

Unlike their namesake marine predators, freshwater sharks make interesting additions to reasonably sized tanks.

Amazing Catfish Breeding Strategies

Author: Eric Bodrock and Bob Bock

Egg-scatterers, bubblenesters, and more—the myriad catfish species in the aquarium hobby exhibit a wide variety of breeding strategies.

Book Excerpt: Clownfishes and Other Damselfishes

Author: Jeff Kurtz

An exclusive look at the new book from T.F.H. Publications on the popular and easy-to-keep marine clownfish and damsels.

Foreground Variations in the Nature Aquarium

Author: Takashi Amano

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

Hobbyist Profile: Thomas Siodmok, a Conservation-Minded Aquarist

Author: Iggy Tavares

After designing his own dream reef tank, one innovative aquarist is using it to propagate corals to help the environment.

Kelly Warm Springs: The Tropics of Wyoming’s Grand Tetons

Author: Howard Goldstein

Amid snowcapped mountains, the warm waters of Kelly Warm Springs host a resident population of tropical aquatic life year-round.

The TFH Breeder’s Challenge Part 10

Author: Ted Judy and Mike Hellweg

With Mike having a solid lead, has the game turned on Ted? See what happens as the action continues!

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