Spawning fish are a type of fish that reproduce by releasing eggs and sperm into the water. The three crossword solutions for spawning fish are EEL (3 letters), eels (4 letters), and SHAD (4 letters). Eels are elongated fish with smooth, slimy skin and no scales. They are found in both fresh and saltwater habitats. SHAD are a type of herring-like fish that are found in temperate waters around the world. They are an important food source for many species of fish, birds, and mammals.