Dorado have a lifespan of no more than three to four years. Sport catches average 7 to 13 kg (15 to 25 pounds). They seldom exceed 45 kg (80 pounds), and any Dorado over 18 kg is exceptional. Dorado have compressed bodies and long dorsal fins extending almost the entire length of their bodies. Their anal fins are sharply concave. They are distinguished by dazzling colors: golden on the sides, bright blues and greens on the sides and back. Mature males also have prominent foreheads protruding well above the body proper. When they are removed from the water, the fish often change between several colors, finally fading to a muted yellow-grey upon death.

Dorado are highly sought game fish throughout their range because of their beauty and fighting ability. Their flesh has excellent flavor and firm texture. Dorado have become popular restaurant fare in many areas.

Costa Rica, Ecuador, Japan and the United States are the primary countries capturing and exporting Dorado (30,000 to 40,000 tons are harvested annually worldwide), and Europe, Japan, the United States, and the Caribbean region are the primary consumers.

One of the fastest-growing fish, Dorado are fast swimmers as well, with an estimated top swimming speed of 50 knots.

For the best Dorado seasons, see Costa Rica's Fishing Seasons.

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