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[6] They reach maturity at 4–5 years of age and the maximum age is believed to be at least 9 years. [6] The oldest swordfish found in a recent study were a 16-year-old female and 12-year-old male. Swordfish ages are derived, with difficulty, from annual rings on fin rays rather than otoliths, since their otoliths are small in size. [12]
The other is the Chinese paddlefish (Psephurus gladius), which was declared extinct in 2022 following a 2019 recommendation; [6] [7] [8] the species has not been sighted in the Yangtze River Basin in China since 2003. [9] [10] Chinese paddlefish are also commonly referred to as "Chinese swordfish", or "elephant fish". [11]
Considered by many scientists the fastest fish in the ocean, [8] sailfish grow quickly, reaching 1.2–1.5 m (4–5 ft) in length in a single year, and feed on the surface or at middle depths on smaller pelagic forage fish and squid. Sailfish were previously estimated to reach maximum swimming speeds of 35 m/s (125 km/h), but research published ...
Using the weight calculation formula, the swordfish measured 138 inches overall — 98 from the lower jaw to the fork of the tail — and had a girth of 64 inches. "It was a fat fish, too.
Their diet is made up of other fish and squid. [6] From a study surrounding the Western and Central Pacific Ocean (WCPO), an analysis of the stomach contents of wahoo indicated that their diet consists of 84.64% native fish, 14.26% cephalopods (e.g. cuttlefish), and 1.1% crustaceans.
Image credits: giuliamanfrini Catching the surfer off guard, the swordfish struck her in the chest and left a a stab wound, nearly 2 inches deep, on the left side of her chest.. Two fellow surfers ...
4.5 – 6 years 4.46 [15] Not assessed: Atlantic blue marlin: Makaira nigricans (Lacépède, 1802) 500 cm 290 cm 820 kg years 4.50 [25] Vulnerable [2] Tetrapturus: White marlin: Tetrapturus albidus/Kajikia albida Poey, 1860: 300 cm 210 cm 82.5 kg years 4.48 [26] Least concern [27] Shortbill spearfish: Tetrapturus angustirostris Tanaka, 1915: ...
Artüz, M. Levent (January 1999). "Inventory of Existing Species and Their Habitats in the Bosphorus Area" (PDF). Marine Bio Abs.1: 112– 023. Archived from the original (PDF) on 7 June 2015.