Largest eye

Largest eye

Last updated: October 11, 2017 at 2:24 am

Scientists have extrapolated that the colossal squid (Mesonychoteuthis hamiltoni) has the largest eyeballs of any living creature today at up to 30.5 cm (12 in.) in diameter. It is reported that the eyes of a giant squid washed up in Newfoundland, Canada, measured 40 cm (15.75 in.).

SOURCE:

McClain CR, Balk MA, Benfield MC, Branch TA, Chen C, Cosgrove J, Dove ADM, Gaskins LC, Helm RR, Hochberg FG, Lee FB, Marshall A, McMurray SE, Schanche C, Stone SN, Thaler AD. (2015) Sizing ocean giants: patterns of intraspecific size variation in marine megafauna. PeerJ 3:e715 https://doi.org/10.7717/peerj.715

An illustration from the original edition of Twenty Thousand Leagues Under the Sea depicting a giant squid (Public Domain)

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