Morphological observations on a hatchling and a paralarva of the vampire squid, Vampyroteuthis infernalis Chun (Mollusca : Cephalopoda)

Citation
Re. Young et M. Vecchione, Morphological observations on a hatchling and a paralarva of the vampire squid, Vampyroteuthis infernalis Chun (Mollusca : Cephalopoda), P BIOL SOC, 112(4), 1999, pp. 661-666
Citations number
7
Categorie Soggetti
Biology
Journal title
PROCEEDINGS OF THE BIOLOGICAL SOCIETY OF WASHINGTON
ISSN journal
0006324X → ACNP
Volume
112
Issue
4
Year of publication
1999
Pages
661 - 666
Database
ISI
SICI code
0006-324X(199912)112:4<661:MOOAHA>2.0.ZU;2-#
Abstract
We present morphological observations on two very small vampire squids. One , a trawl-caught hatchling of 8 mm mantle length (ML), had embryonic featur es including internal yolk, broad arm-like filaments, and lack of mantle-he ad fusion. The other was a 9 mm ML paralarva collected by submersible and p hotographed alive aboard ship. Although only slightly larger than the hatch ling, its morphology was much more like that of larger specimens than that of the hatchling, except for the oblique orientation of its fins.