Stoloteuthis japonicaTsunemi Kubodera and Richard E. Young
Stoloteuthis japonica is based on a single immature male of 10 mm ML taken off one of the Okinawa Islands at 25°48.98´N, 126°30.66´E. Because of its small size, characteristics that could distinguish this species may not be developed. This species lies within the latitudinal range of Iridoteuthis iris although it is found further west than is known for the latter species (i.e., I. iris is known from from as far north and west as 32°N, 177°E).
The junior author of this page suspects that Stoloteuthis japonica is a junior synonym of Iridoteuthis iris. However, apparent differences exist in the shape of the funnel-locking apparatus and the absence of a posterior fin lobe in S. japonica. The uncertainty of the presence of a tentacular organ and the position of the photophore tubes needs resolution. The absence of maturity related features of the arm, so important in species identification in the Heteroteuthinae, emphasize the need for larger specimens.
Kubodera, T. and T. Okutani. 2011. New additions of luminous bobtail squids to the Japanese cephalopod fauna (Sepiolida: Sepiolidae: Heteroteuthinae). Venus, 69 (3-4): 145-161.
Correspondence regarding this page should be directed to Tsunemi Kubodera at
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- First online 21 January 2014
- Content changed 04 November 2015
Citing this page:
Kubodera, Tsunemi and Richard E. Young. 2015. Stoloteuthis japonica http://tolweb.org/Stoloteuthis_japonica/149601/2015.11.04 in The Tree of Life Web Project, http://tolweb.org/. Version 04 November 2015 (temporary).