These piranhas Pygocentrus piraya are often called San Francisco piranhas, a potentially misleading name given them based on their native range in Brazil’s Rio São Francisco. Piranhas are apex predators, and like many other predatory species they are extremely popular aquarium specimens. Unfortunately many myths abound about the nature and the proper care of these fish. Find out how they should actually be kept in this month’s look at predatory fish, “The Killer Instinct.” Photograph by Ed Wong

 

Feature Articles

Composing a Nature Aquarium Layout with Stem Plants

Author: Takashi Amano

The visionary aquascaper focuses this month on using stem plants to produce a lush and captivating layout.

Mike vs. Ted: The TFH Breeder’s Challenge

Author: Mike Hellweg and Ted Judy

Our contestants share their first-month successes in our exciting competition—find out who’s in the lead!

Nudibranchs: Exquisite…and Unkeepable

Author: Maddy Hargrove

The beauty of these graceful aquatic creatures is matched only by their intense and arduous care requirements.

The Achilles Tang Acanthurus achilles

Author: Jeremy Gosnell

This sleek surgeonfish carries a multitude of caretaking requirements, making it a challenging but rewarding specimen for advanced marine aquarists.

The Czech Discus Championship

Author: Francesco Denitto, PhD

Our expert fish judge presents the vibrant entries and winners from the latest discus championship held in the Czech Republic.

The Killer Instinct: Predatory Fish (and How to Keep Them)

Author: Neale Monks

A fearless fishkeeper clears up the caretaking myths for some of the fiercest predators for the aquarium.

The Texas Cichlid Herichthys cyanoguttatus

Author: William Berg

Big, bold, and beautiful—discover how to keep the only cichlid native to the United States.

If you are interested to read more, you may subscribe for the digital version by clicking this LINK.