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Free Content Food and Prey Detection in Two Deep-Sea Cephalopods: Opisthoteuthis Agassizi and O. Vossi (Octopoda: Cirrata)

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The diet of Opisthoteuthis agassizi and O. vossi in the southeast Atlantic was studied from 171 and 121 individuals respectively. Small epibenthic and suprabenthic crustaceans and polychaetes are the most frequent prey items in both species, suggesting that they feed on suprabenthic and epibenthic material. Diel analysis of feeding by O. agassizi at 490 m and O. vossi at 836 m depth demonstrated a pattern of continuous feeding. Relationships of total body length and beak measurements to total weight were also studied. The ultrastructure of sucker and cirri are described for both species and their relationship with prey detection mechanisms is discussed.

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Document Type: Research Article

Publication date: 1991-09-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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