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."

https://www.int-res.com/articles/meps2013/474/m474p277.pdf 

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.

https://www.nature.com/articles/s41598-017-02675-3#auth-1

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

 https://www.nature.com/articles/376680a0  

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.

The new rage in fishing is "Slow Pitch".  Deeper water jigging with specialized rods, reels and lures.  Use 1 pitch or 1/3 pitch, it's fun and effective.  No bait involved. But it is missing something, the lure of a prey smell.  That's where Dr Juice Fish Scents come in.  The new Dr Juice Kairomone Fish Scent has the "secret ingredient, DMS.  It's been called the "Universal Marine Infochemical".  It's why sea birds flock to baitfish, as well as the predator fish.  I've written about it in previous posts below.

You need a few drops on your jig for Slow Pitch Jigging.  

Dr Juice Kairomone Fish Scent produces new Wisconsin State Record Fish.  My buddies were laughing at my catch, until I googled it.  Beat the old record by 3 oz.  Unusual to top a record fish by ⅓ it’s weight.  Used to catch them trout fishing in SE Minnesota, but much smaller. He'd seen and smelled other lures in his lifetime.  Go DMS.

We did get some other fish.  

Dimethyl Sulfide is released when zooplankton and shrimp type crustaceans eat phytoplankton and algae. As it travels up in the atmosphere, it acts as a sulfur nuclei for cloud formation, cooling the waters and slowing algae growth, reducing the subsequent formation of DMS, allowing more sun to heat the water, and again spur algae growth. It's a "negative feedback loop", purported to keep the climate in homeostasis and from warming. It's called the CLAW Hypothesis. This is great for the earth, but for fishermen and other predators it signifies where the food web is most active and is the scent associated with EATING.

Schematic diagram of the CLAW hypothesis (Charlson et al., 1987)[1]

Marine bacteria produce an environmentally important molecule with links to climate

https://www.sciencedaily.com/releases/2017/02/170213131452.htm

Enhanced marine sulphur emissions offset global warming and impact rainfall

https://www.nature.com/articles/srep13055

Dimethyl Sulfide is the "climate cooling gas"  and “universal marine infochemical” found in Dr Juice Kairomone Fish Scent

An oceanic phytoplankton bloom in the South Atlantic Ocean, off the coast of Argentina covering an area about 300 by 50 miles (500 by 80 km)

Artificial fertilization of the ocean has been proposed as a possible geoengineering method for removing carbon dioxide from the atmosphere by stimulating zooplankton growth.  Iron is the "limiting nutrient" for them. If fed iron, they bloom, but can produce toxic red tide and other toxins.  International law might prevent, "ocean dumping".  Will it produce drought in Europe?  How far do we go to combat "climate change"?

https://wikivisually.com/wiki/Iron_fertilization

Scientists discover key gene for producing marine molecule with huge environmental impacts

https://phys.org/news/2018-02-scientists-key-gene-marine-molecule.html

Gas Smelling Drone Helps Monitor Ocean

https://dronebelow.com/2018/07/26/gas-smelling-drone-helps-monitor-ocean/

DMS s released when zooplankton and shrimp type crustaceans eat phytoplankton and algae. As it travels up in the atmosphere, it acts as a sulfur nuclei for cloud formation, cooling the waters and slowing algae  growth, reducing the subsequent formation of DMS, allowing more sun to heat the water, and again spur algae growth.  It's a "negative feedback loop", purported to keep the climate in homeostasis and from warming.  It's called the CLAW Hypothesis.  This is great for the earth, but for fishermen and other predators it signifies where the food web is most active and is the scent associated with EATING.