On top of that, it's unlocked and very compact. In testing around the San Francisco Bay Area, the MiFi 6620L performed very well, with excellent 4G LTE Internet speed. But all of that comes at a high price. The Jetpack costs $200, or $50 if you're willing to sign up for a two-year contract.
Rays account for about half of all elasmobranch species. Of the 500 or more described ray species, there are over 150 stingray species that are assigned to approximately 20 genera. Freshwater stingrays of the family Potamotrygonidae are assigned to the genera Paratrygon, Plesiotrygon, Heliotrygon and Potamotrygon.
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).