The Spanish Mackerel is a species of fish found in the Atlantic Ocean and the Mediterranean Sea. It is a popular game fish and is often used for food. The two crossword solutions for the term Spanish Mackerel are WAHOO, which is a five letter word, and CERO, which is a four letter word. WAHOO is a common name for a number of species of fish, including the Spanish Mackerel, and Cero is another name for the Spanish Mackerel.