Science & Tech

Volumetric Imaging of Fish Locomotion

1 min read

Using a new form of laser imaging device, Brooke Flammang and colleagues at Harvard’s Museum of Comparative Zoology have discovered that “the dorsal and the anal fin make a great contribution to the caudal [tail fin] wake,” and thus are additional propellers, and not just stabilizers. A cichlid swims in the particles that the laser illuminates.