WASHINGTON (Reuters) - The South American lungfish is an extraordinary creature - in some sense, a living fossil. Inhabiting slow-moving and stagnant waters in Brazil, Argentina, Peru, Colombia, ...

CHICAGO - An Australian lungfish that entranced visitors to Chicago’s Shedd Aquarium for more than 80 years has been euthanized due to old age, the popular tourist attraction announced Monday.

The eel-like body and scrawny "limbs" of the African lungfish would appear to make it an unlikely innovator for locomotion. But its improbable walking behavior, newly described, redraws the ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. ‘Lungfish’ would have been a common sight in the Devonian ...

New research on the fin development of the Australian lungfis elucidates how fins evolved into limbs with hands with digits. The main finding is that in lungfish a primitive hand is already present, ...

Scientists at the California Academy of Sciences say that the Australian lungfish, Methuselah, may even be older than 100 years old Kimberlee Speakman is a digital writer at PEOPLE. She has been ...

Methuselah is a 90-year-old, 4-foot-long, 40-pound, Australian lungfish that resides at the California Academy of Sciences' Steinhart Aquarium in San Francisco Kelli Bender is the Pets Editor at ...

Australian lungfish are known to be ultra-survivors, but this lungfish is pushing the boundaries even for its own kind. At over 90 years of age, Methuselah is one of the oldest fish in the world–and ...

This scaly world-record breaker looks much younger than she is. Or so scientists say. The approximate age of the oldest-known aquarium fish housed at a San Francisco Bay Area aquarium for the past 85 ...

The eel-like body and scrawny "limbs" of the African lungfish would appear to make it an unlikely innovator for locomotion. But its improbable walking behavior, newly described by University of ...