1. Sepia officinalis. Large, highly developed eyes usually part-covered by W-shaped eyelids. Pupils are horizontal slits, so slit aperture permits good vision. Sublittoral. Portugal.
  2. Sepia officinalis. Large, highly developed eyes usually part-covered by W-shaped eyelids. Pupils are horizontal slits, so slit aperture permits good vision. Sublittoral. Portugal.

Sepia officinalis. Large, highly developed eyes usually part-covered by W-shaped eyelids. Pupils are horizontal slits, so slit aperture permits good vision. Sublittoral. Portugal.