Between 1951 and 2003 only three specimens have been caught.

The last known specimen was caught in the late 1920s to early 1930s.

Between 1957 and early 2002, seven specimens were caught.

Further specimens have since been caught in the North Atlantic.

The whole group was thought to be extinct until a specimen was caught in 1938.

However, a specimen caught in 2004 off the Azores did possess the collar.

In May 1987, a magnificent specimen of 7lb 8oz was caught and my best fish weighed 4lb 8oz.

Only two two female specimens have even been caught.

All three specimens were caught near water and the species may be semiaquatic, spending some time in the water.

The single specimen was caught in early October.