Table 1 Annual information of Ommastrephes bartramii samples in the North Pacific Ocean

From: Interannual variability of body size and beak morphology of the squid Ommastrephes bartramii in the North Pacific Ocean in the context of climate change

Years Sampling time Longitude Latitude Sample size (F,M) Beak sample size (F,M) Mantle length (mm) (F,M)
2009 Jul–Oct 150° 00′ E–160° 00′ E 39° 00′ N–44° 30′ N 149 (89,60) 77 (40,37) 187–443, 199–412
2010 Jul–Nov 186 (91,95) 104 (48,56) 192–425, 197–359
2015 Jul–Nov 202 (128,74) 145 (80,65) 168–357, 164–319
2016 Jul–Oct 217 (121,96) 168 (97,71) 210–386, 184–348