Olfactory detection of dimethyl sulphide in a krill-eating Antarctic penguin
Luisa Amo1,*, Miguel Ángel Rodríguez-Gironés1, Andrés Barbosa2
"In response to zooplankton grazing, phytoplankton release dimethylsulphoniopropionate in the seawater, which is then catabolized to dimethyl sulphide (DMS) that is emitted to the air. This molecule therefore signals areas of high productivity in the oceans, and it can be used by predators for locating foraging areas."
Dimethyl Sulfide is a Chemical Attractant for Reef Fish Mahi-mahi Larvae
Over the past decade there is an impressive amount of literature displaying the potency of DMS as a universal marine infochemical, and this study marks the addition of reef fish larvae to the growing list of attracted organisms.
Why do ocean fishermen “follow the birds”? The sea birds follow the kairomone odor to the bait fish schools, leading the fishermen there.
Nevitt, G. A. & Bonadonna, F. Sensitivity to dimethyl sulphide suggests a mechanism for olfactory navigation by seabirds. Biol. Lett. 1, 303–305 (2005). Working with procellariiform seabirds, we have previously identified dimethyl sulphide (DMS) as a biogenic cue that contributes to the natural olfactory landscape over the ocean (Nevitt et al. 1995,) . DMS is a scented compound produced by phytoplankton
Perception of dimethyl sulfide (DMS) by loggerhead sea turtles: a possible mechanism for locating high-productivity oceanic regions for foraging
Courtney S. Endres, Kenneth J. Lohmann
Journal of Experimental Biology 2012 215: 3535-3538; doi: 10.1242/jeb.073221
Turtles exposed to air that had passed over a cup containing 10 nmol l−1 DMS spent more time at the surface with their noses out of the water than control turtles, which were exposed to air that had passed over a cup containing distilled water. Odors that do not occur in the sea (cinnamon, jasmine and lemon) did not elicit increased surface time, implying that the response to DMS is unlikely to reflect a generalized response to any novel odor
Foraging and Ingestive Behaviors of Whale Sharks,Rhincodon typus, in Response to Chemical Stimulus Cues Alistair D. M. Dove*Georgia Aquarium, 225 Baker Street, Atlanta, Georgia 30313Whale sharks use chemosensory cues of multiple types to locate and identify palatable food, suggesting that chemical stimuli can help direct long-range movements and allow discrimination of different food items. There appears to be a hierarchy of responses: krill metabolites directly associated with food produced more frequent and intense feeding responses relative to DMS, which is indirectly associated with krill. DMS is used to find food by a number of pelagic species and may be an important signaling molecule in pelagic food webs.