are rare in Ireland - they are believed to be making a comeback because of a commercial fishing ban
A number of measurements and weights and information on conditions were taken from reproductive organs in female porbeagles
to determine maturity stage.
Last week a shore fisherman caught a 7ft long porbeagle
, a relative of the great white shark, just yards away from a holiday beach in Pembrokeshire.
is a common find in UK waters but still caused quite a stir.
shark, which eats mainly mackerel and herring, is relatively rare in British waters.
sharks, which passed by a vote of 86 for, 42 against and 8abstentions.
The 7ft porbeagle
shark was brought ashore and is now catching the attention of shoppers at the North Shields Fish Quay after it was snapped up by Seaview Fisheries.
No sooner had a rare 6ft swordfish been caught off Northumberland than an unsuspecting fisherman netted a 250lb Porbeagle
shark further down the coast at Sunderland.
When they mixed these six primers and tissue from each of 33 different shark species, the researchers unambiguously identified the target species: longfin mako, shortfin mako, porbeagle
, dusky, silky, and blue sharks.
Steve Watson reeled in the nine-foot long porbeagle
shark while on a fishing trip with two of his friends off the coast of Whitby, Yorkshire.
Along with blue sharks, porbeagles
- Lamna nasus in Latin - are the most common species of shark in UK waters.
An eminently delicious mako, one of the greatest big-game fish in the world, had to weigh at least 200 pounds while larger, equally delicious threshers and porbeagles
must have weighed at least 250 pounds.