Western Atlantic midwater hydrozoan and scyphozoan medusae: in situ studies using manned submersibles |
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| Authors: | Larson R J Mills C E Harbison G R |
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| Institution: | (1) Harbor Branch Oceanographic Institution, 5600 Old Dixie Highway, 34946 Fort Pierce, Florida, USA;(2) Friday Harbor Laboratories, University of Washington, 620 University Road, 98250 Friday Harbor, Washington, USA;(3) Present address: Woods Hole Oceanographic Institution, 02543 Woods Hole, Massachusetts, USA |
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| Abstract: | Little is known about the biology and ecology of mesopelagic medusae. In part, this is because midwater trawls are used to collect fragile medusae and other gelatinous macroplankton. Additionally, nets cannot provide data on behavior and on biotic associations. Herein, in situ observations on northwestern Atlantic midwater medusae made using the Johnson-Sea-Link submersibles are reported. Included are depth and temperature ranges; notes on pigments; locomotory behavior; and notes on prey and predators. |
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| Keywords: | North Atlantic midwater medusae hydromedusae scyphomedusae vertical distributions predation submersibles |
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