RondeletiolaMichael Vecchione and Richard E. Young
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Species of Rondeletiola are small, mostly less than 20 mm ML and can be common on mud and fine sand bottoms. Naef (1921-23) reported that about 5,000 were caught on one occasion in the Bay of Naples at a depth of 150-200 m.
A sepiolin ...
- with a circular visceral photophore.
- Arm sucker in two series.
- Left arm I hectocotylized with 3 basal suckers proximal to copulatory apparatus with recurved lateral teeth; distal portion of arm not expanded.
- Arms II and III of male with enlarged suckers in ventral series.
- Tentacular club with suckers in 8-16 series.
- Club suckers small, uniform in size.
- Photophores fused into a circular organ in adults .
- Gladius absent.
We place Inioteuthis capensis Voss (1962) into Rondeletiola based on what appears to be a large circular photophore embedded in the ink sac. In addition, the structure of the hectocotylus of this species appears to be closer to that of Rondeletiola than Inioteuthis.
Figure. "Idioteuthis" capensis Voss , 1962. Left - Dorsal view of holotype, 10 mm ML. Middle - Ventral view of anterior mantle cavity with funnel cut open showing intestine and presumed photophore. Right - Oral view of hectocotylized left arm I.
DistributionMediterranean Sea and eastern Atlantic form Spain to the tip of South Africa, 15 m to upper slope.
Naef, A. 1921-1923. Die Cephalopoden. Fauna e Flora del Golfo di Napoli, Monographie 35, Vol I, Parts I and II, Systematik, pp 1-863.
Voss, G.L. 1962. South African Cephalopods. Transactions of the Royal Society of South Africa, 36(4):245-272.
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National Museum of Natural History, Washington, D. C. , USA
University of Hawaii, Honolulu, HI, USA
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- First online 02 September 2004
- Content changed 30 November 2003
Citing this page:
Vecchione, Michael and Richard E. Young. 2003. Rondeletiola http://tolweb.org/Rondeletiola/20040/2003.11.30 in The Tree of Life Web Project, http://tolweb.org/. Version 30 November 2003 (under construction).