Iridoteuthis iris is a small heteroteuthin (28 mm ML) with very large eyes, short mantle that projects ventrally anterior to the eye lenses and unusually large fins. It is known only from Hawaiian waters.
An Iridoteuthis ...
- without elaborate ventral protective membrane on right arm I in mature males.
- with size differentials in some arm suckers between dorsal and ventral series in males.
- with bare, elongate sucker stalks on tips of arms III and IV in females.
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