Heterololigo
Heterololigo bleekeri
Michael Vecchione and Richard E. Young
Type species. -- Loligo bleekeri Keferstein, 1866 by original designation.
Introduction
H. bleekeri is one of the more common loliginids in Japan.
Brief diagnosis:
A loliginid ...
- of moderately large size (to 40 cm ML) with fins in adults rhomboidal, longer than broad, not round (length <70% of ML); mantle elongate, pointed posteriorly; without photophores.
- with unusual hectocotylus.
- with a Northwest Pacific distribution.
Characteristics
- Arms
- Arms very short.
- Arm suckers with blunt teeth around distal ring.
- Hectocotylus:
- Proximal suckers unmodified.
- Ventral crest absent.
- Distal suckers of reduced size and sucker stalks elongated to form papillae in dorsal series.
- Dorsal series of papillae and trabeculae at distal tip form bicuspid lamelliform flaps separated from ventral series of suckers by serrated membrane.
- Tentacles
- Tentacular clubs narrow
- Club suckers small, in four series; suckers in transverse row nearly uniform in size.
- Fins
- Fins extend to posterior tip of mantle.
- Photophores
- Photophores absent.
- Viscera
- Eggs less than 4 mm.
- Spermatophore cement body short
Figure. Oral view of the hectocotylus of H. bleekeri, ca. 300 mm ML, Sagami Bay. Drawing from Sasaki (1929).
Figure. Oral view of the tip of the hectocotylus of H. bleekeri. Enlargement from drawing above.
Figure. Oral view of tentacular club of H. bleekeri, ca 300 mm ML, mature male, Sagami Bay. Drawing from Sasaki (1929).
References
Vecchione, M., E. Shea, S. Bussarawit, F. Anderson, D. Alexeyev, C.-C. Lu, T. Okutani, M. Roeleveld, C. Chotiyaputta, C. Roper, E. Jorgensen and N. Sukramongkol. 2005. Systematics of Indo-West Pacific loliginids. Phuket Mar. Biol. Cent. Res. Bull. 66: 23-26.
Title Illustrations
| Scientific Name | Heterololigo bleekeri |
|---|---|
| Location | Sagami Bay, Japan |
| Reference | Sasaki, M. 1929. A Monograph of the Dibranchiate Cephalopods of the Japanese and Adjacent Waters. Journal of the College of Agriculture, Hokkaido Imperial University, 20(supplement):357 pages. |
| Sex | Male |
| Life Cycle Stage | Mature |
| View | Ventral |
| Size | ca. 30 cm |
About This Page
National Museum of Natural History, Washington, D. C. , USA
University of Hawaii, Honolulu, HI, USA
Correspondence regarding this page should be directed to Michael Vecchione at
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Heterololigo . Heterololigo bleekeri .
Authored by
Michael Vecchione and Richard E. Young.
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- First online 25 January 2006
- Content changed 02 September 2010
Citing this page:
Vecchione, Michael and Richard E. Young. 2010. Heterololigo . Heterololigo bleekeri . Version 02 September 2010 (under construction). http://tolweb.org/Heterololigo_bleekeri/23878/2010.09.02 in The Tree of Life Web Project, http://tolweb.org/
