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.
First off, the recently caught giant freshwater stingray, a species called Himantura polylepis or H. chaophraya, belongs to the Dasyatidae family, which is known for its venomous spines. The number of spines varies by species, but stingrays in this family typically have one, and it grows along with the fish.he giant freshwater stingray caught earlier this month is 14 feet (4.3 meters) long and weighs an estimated 700 to 800 pounds (318 to 363 kilograms). The giant freshwater stingray caught earlier this month is 14 feet (4.3 meters) long and weighs an estimated 700 to 800 pounds (318 to 363 kilograms).