Mandatory Nursing Competencies & Information Packets. Please review the following Self Learning Packets and complete the corresponding post-tests. Make sure to click below the final question in the test so it is graded correctly at the bottom of the screen. Many of the tests are short but require a grade of 100% to qualify as passing.
Stingray Giant Freshwater. Stingray, Giant Freshwater (Himantura Chaophraya) The Giant Freshwater Stingray in Thailand is believed to be the largest freshwater fish on the planet reaching weights approaching 1000 lbs.
Stingrays are any of a number of flat-bodied rays noted for the long, sharp, venomous spines on their tails. They are cartilaginous fish and are related to sharks. Stingrays sometimes are placed in a single family, Dasyatidae, but often are separated into two families-Dasyatidae and Urolophidae.