Eye development in southern calamry, Sepioteuthis australis, embryos and hatchlings

Figure 4. Pupil aperture variation in light- and dark-adapted individuals.

Figure 4. Pupil aperture variation in light- and dark-adapted individuals. A) Stage 28 embryo shows fairly circular aperture in the dark. B) Stage 28 embryo shows reduced aperture after being exposed to light. C) 2 days post hatchling (dph), pupil aperture is still circular in the dark. D) 2 dph pupil aperture is reduced and E) almost completely closes in some 2dph individuals. http://eprints.jcu.edu.au/7957/

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