Topic: Mackeral/el
I am not sure what the problem here is, but according to the Gateway 'Mackerel' is the correct synonym for Scomber scombrus TVK NBNSYS0000177868.
'Mackeral' is clearly a typo, and is a 'badly formed' synonym.
In R6, I have a record of TVK NBNSYS0000177868, TLIK NBNSYS0000168650, which is showing as having the common name 'Mackeral'.
I have Dict Seq 0000002H and Version 6.22.2.274.
Murdo