Only a Handful of Fish Species are Warm-Blooded. Why?
Scripps Institution of Oceanography
Published: 1 July 2025
A global study led by Scripps reveals warm-blooded fish like tuna evolved the trait millions of years ago to compete with whales, with genetic adaptations boosting speed, vision, and hunting ability.
Keywords: warm-blooded fish, tuna, evolution, Scripps Oceanography, endothermy, cetaceans, genetic adaptation
Diver-Operated Microscope Brings Hidden Coral Biology into Focus
Scripps Institution of Oceanography
Published: 3 July 2025
UC San Diego scientists created the BUMP microscope, allowing divers to study coral photosynthesis in the wild. The tool reveals early bleaching signs, offering new hope for coral reef conservation.
Keywords: coral reefs, BUMP microscope, photosynthesis, bleaching, Scripps Oceanography, marine biology, conservation
For Fish, Hovering Is Not Restful
Scripps Institution of Oceanography
Published: 7 July 2025
A Scripps-led study shows hovering costs fish nearly twice the energy of resting, due to constant fin movements for balance. Findings overturn assumptions and could inspire agile underwater robot design.
Keywords: fish hovering, biomechanics, energy cost, Scripps Oceanography, swim bladder, stability, robotics
