Robalo is a type of fish found in the Atlantic coastal waters of North and South America. This flavorful fish is very popular in Latin America and the Caribbean, while in the United States it is known as "snook." In other parts of the world, Robalo may be referred to as "common snook," "line snook," or "tacklebuster." Other synonyms for Robalo include "Sargeant fish," "big-mouthed black fish," and "silver bass." Whatever you call it, Robalo is a versatile and delicious seafood that can be prepared in a variety of ways, including grilling, pan-frying, or smoking.