Comprehensive Description

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Biology/Natural History: This species seems to stay in the benthic boundary layer of the bathypelagic zone, where particulate abundance is higher than that in the main water column. The fact that they are benthopelagic may explain why they have been so rarely caught--they are too near the bottom to be caught with a midwater trawl, yet do not rest on the bottom so are rarely caught with benthic trawls. According to Childress, they can be relatively common in the regions where they occur, but just off the bottom. The mandibles of this species are smaller and less chitinized than those of most other Gnathophausia. This has been interpreted to indicate that this species feeds at least partly on the flocculent material in the water instead of by predation.


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© Rosario Beach Marine Laboratory

Source: Invertebrates of the Salish Sea

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