Fly Fishing in Portugal may be an incredible experience. We have several different fish species, fresh or saltwater.
One of these fish, the Greater Weever "Trachinus Draco" has a potent venom in its dorsal fin spikes!
Don't touch it with your hand, instead use a fish grip tool like Stonfo Command Grip. You will be safe!
They like sandy bottoms where they can bury themselves to surprise their prey!
In case of stinging search for medical help so one gets an antidote shot.