1 Common triggers of an anaphylactic reaction include drugs, such as penicillin, insect stings, foods (peanuts, shellfish), X-ray dye, and latex. 2  The symptoms of anaphylaxis may vary and can include hives, tongue swelling, vomiting, and even shock.  If someone is at risk, avoidance is the best form of treatment.
Ocean regions with high concentrations of phytoplankton will have shades of blue-green depending upon the type and density of the phytoplankton population there. The basic principle behind the remote sensing of ocean color from space is that the more phytoplankton is in the water, the greener it is.
Coral Reefs Queen angelfish (NPS image) No sea-lover could look unmoved on the blue rollers of the Gulf Stream and the crystal-clear waters of the reef, of every delicate shade of blue and green, and tinged with every color of the spectrum. . . a sort of liquid light, rather than water, so limpid and brilliant is it.