Spotfin Flyingfish Identification Guide

Key identification features

• Slender, torpedo-shaped body with a bluish-gray back and silvery sides
• Long, wing-like pectoral fins that are dusky to blackish with pale bars or spots near the tips
• Pelvic fins enlarged but noticeably shorter than the pectorals, forming a secondary lift surface during short glides
• Deeply forked tail with a longer lower lobe that provides thrust at takeoff
• Adults typically measure 15-25 cm long
• Large eyes set high on the head, useful for spotting predators from below while gliding

Common look-alikes

• Sailfin Flyingfish — has a tall, sail-like dorsal fin rather than plain, low dorsal fin coloring
• Fourwing Flyingfish — pelvic fins are nearly as long as the pectorals, giving a true four-winged glide silhouette
• Clearwing flyingfish species — pectoral fins are mostly translucent instead of dark and banded

Where you'll see one

Found in warm, open surface waters of the tropical and subtropical Atlantic, Indian, and Pacific Oceans, usually well offshore over deep water, though juveniles sometimes drift closer to shore with floating weed lines and other surface debris. It is most often noticed at night, drawn to lights on boats, or during the day when it bursts from the water ahead of a bow wave.