Able to live up to 14 years, the largest Atka mackerel recorded was 56.5 cm long; the heaviest recorded weight was 2.0 kg.
Adults have five vertical, blackish bands on their bodies, which are normally yellowish.
Atka mackerel can be distinguished from other, similar species by the number of spines and rays that they have on their fins.
They have 21 spines, and anywhere from 25-29 rays on their dorsal fins, and only one spine (but 24-26 rays) on their anal fins.
Able to live up to 14 years, the largest Atka mackerel recorded was 56.5 cm long; the heaviest recorded weight was 2.0 kg. Adults have five vertical, blackish bands on their bodies, which are normally yellowish. Atka mackerel can be distinguished from other, similar species by the number of spines and rays that they have on their fins. They have 21 spines, and anywhere from 25-29 rays on their dorsal fins, and only one spine (but 24-26 rays) on their anal fins.
Atka mackerel