The gulper eel is a fascinating deep-sea fish known for its unique appearance and feeding habits. It can grow up to 6 feet long and has an elongated body with a large, expandable mouth. This adaptation allows it to consume prey much larger than itself, including fish and squid. Found in deep ocean waters, the gulper eel primarily inhabits depths of around 3,000 to 10,000 feet. Its dark coloration helps it blend into the deep-sea environment, while its bioluminescent organs may attract prey. The gulper eel is part of the Opisthoproctidae family, which includes other unusual deep-sea species.