Skipjack tuna important prey species for sharks and large pelagic fishes and is often used as live bait when fishing for Marlin. It has no scales, except on the lateral line and the corselet (a band of large, thick scales forming a circle around the body behind the head). It commonly reaches fork lengths up to and a weight of . Its maximum fork length is and maximum weight is . Ageing skipjack tuna is difficult, and the estimates of its potential lifespan range between 8 and 12 years. Skipjack tuna is a batch spawner. Spawning occurs year-round in equatorial waters, but
Kathryn (skipjack) half interest, again for "$5.00 etc." and served as her captain. She received a major rebuild in 1954 at the Krentz Marine Railway in Harryhogan, Virginia, which was published in "Chesapeake Sailing Craft". In 1963 Wheatley became "Kathryn's" full owner. Johnnie R. Parkinson, Jr. bought "Kathryn" in 1975 for $18,000 and moved her to Crisfield. She was sold in 1981 to Herman Russell Dize (whose father had worked aboard "Kathryn" 70 years before) and William James Roe, Jr. Capt. Harold "Stoney" Whitelock of Dames Quarter, Maryland purchased "Kathryn" in 2008 and is currently working to restore her. Kathryn (skipjack) The