Two laser beams (seen as a red and green dot) from the submersible reflect off the wreckfish shown here. The dots produced by these lasers are 25 cm apart and can be used to estimate fish length and the area viewed by the camera.

Related Links

Estuary to the Abyss

Estuary to the Abyss: August 22 Log

NOAA Ocean Explorer Gallery

Download high-resolution image (jpg, 200 Kb)