Final answer:
Trinidad and Tobago is the country with the Gulf of Paria, separated from Venezuela by the Dragon's Mouth and Serpent's Mouth.
Step-by-step explanation:
The country with the Gulf of Paria, separated from Venezuela and characterized by two narrow entrances known as the Dragon's Mouth and the Serpent's Mouth, is Trinidad and Tobago. These narrow channels are crucial geographic features that function as gateways to the Caribbean Sea and the Atlantic Ocean.
The Gulf of Paria itself is an important body of water for the regional ecology and economy, being surrounded by a rich diversity of marine life and also serving as a hub for shipping and transportation.