AMAZONAS - Matt Pedersen

Hiding in Plain Sight: A New Miniature Killifish
Killifish keepers may recognize Spectrolebias costae, a challenging annual micro-killi. Based on new genetic evidence, there could be a second species floating around in the aquarium hobby.

Geophagus Welcomes Three New Species
Introducing three new eartheaters: Geophagus rufomarginatus, Geophagus multiocellus, and Geophagus santosi, all found in northeastern Brazil.

INTERVIEW: Orchids, Dart Frogs and Tiny Fishes, Part 3
Dr. Adeljean Ho walks us through the animal life that completes his vivarium, both above and below the water.

VIDEO: A Hidden Golden Pethia Barb from India
Learn how the strikingly metallic Prakash Barb caused problems for researchers until genetic testing revealed its existence.

INTERVIEW: Orchids, Dart Frogs and Tiny Fishes, Part 2
Dr. Adeljean Ho shows off the orchids and other plants that form the landscape of our featured vivarium.