occular spark

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

Noun[edit]

occular spark (plural occular sparks)

  1. (ichthyology) A type of occular radiance, which is the redirection of infalling light from above, reflecting it into the visual field to illuminate the field of vision, for diurnal active photolocation.

Hypernyms[edit]