BLUE MARLIN – Makaira nigricans

Article by: Mark Mayo

Family Istiophoridae, BILLFISHES

Description: color cobalt blue on top shading to silvery white on bottom; upper jaw elongated in form of a spear; dorsal fin pointed at front end; pectoral fin and anal fin pointed; lateral line reticulated (interwoven like a net), difficult to see in large specimens; no dark spots on dorsal fin; body covered with imbedded scales ending in one or two sharp points.

Similar fish: white marlin, T. albidus (white has rounded dorsal at front end, rounded tip of pectoral and anal fins, and spots on the dorsal fin).

Where found: OFFSHORE, a bluewater fish.

Size: largest of the Atlantic marlins, common to 11 feet, known to exceed 2,000 pounds.

Remarks: all of trophy size are females; males do not exceed 300 pounds; make trans-Atlantic migrations; spawning procedures unknown; feeds on squid and pelagic fishes, including blackfin tuna and frigate mackerel.

Mark Mayo

I research and report on fishing, fishing gear/equipment, survival topics, and marketing for outdoors related business. I assist here on CB Fishing as the editor-in-chief. Articles may contain AI researched content. All content is published for education and entertainment purposes only. NOT LIFE, HEALTH, SURVIVAL, FINANCIAL, BUSINESS, LEGAL OR ANY OTHER ADVICE. Learn more about Mark Mayo