CRITTER: Meet ulua la‘uli the black jack

Terry Lilley / Contributed

The black jack has black fins, a black lateral line and a black dot right above the gill cover.

Terry Lilley / Contributed

These large jack species are often misidentified because they all look similar and behave the same.

Here in the main Hawaiian Islands, we often see ‘omilu the bluefin trevally and ulua aukea the giant trevally.