Hi Tortise01

NZ   Jack mackerel     Commercial catch on average 60,000 Tonne, made up of 3 species we hardly see near the shore.

these are really CHILEAN JACK MACKEREL
yes they used to come down the East coast in their 10s of millions,
Schools out from the 3Kings used to stretch out 10miles or more, god now how wide but the day we had them around us on a flat calm day we had drifted all night and could not see land in any direction yet we had miles of these huge jack mackerel 60cm around us with no gaps just solid fish till we neared the Kings again, then we hook marlin at that point,

other names "Greenback" "Horse Mackerel" Trachurus declivis:



The Peruvian jack horse mackerel or Southern jack mackerel (Trachurus murphyi ) is almost identical in appearance to the Greenback horse mackerel (T. declivis )



Assie also catch these fish with that massive Com boat which the Rec boys are fighting tooth and nail to stop plundering these Mackerel,



so what is the point?
all the above mackerel really mean very little to us, we very rarely catch them nowadays anyway,
the ones below is what we mainly catch on our sabiki rigs for catching bigger fish, with a few larger ones thrown in.
so keep calling these Yellowtail Mackerel or Jack Mackerel like most Kiwis do then everyone will know what your talking about, yes there is a heap of confusion out there.

More tropical fish are arriving in New Zealand due to global warming.
This includes giant manta rays, spearfish and whale sharks. But if Spanish Mackerel are on the list, it might change the New Zealand gamefishing world due to their sharp teeth! We might see wire traces, unrigged or prerigged in the gamefishing section in the tackle stores