Threadfin jack juvenile

Threadfin Jack juvenile

This is the time of year when juvenile threadfin jacks can sometimes be seen in inland waters. I’ve been on the lookout for them since May, but haven’t seen any. This doesn’t mean they’re not there; so small and shimmery, they’re easy to miss in murky shallow water.

Last week, my vigilance was rewarded. While the water wasn’t too clear, the swell was low so I headed among the rocks near the shore and saw my first threadfin of the year. I took the bottom photo which, while not great, does show the shallow area it tends to inhabit and the sun filtering through that water.

Next day, I went back to the same spot but didn’t see the fish. So I turned and headed out toward deeper water and almost bumped into it coming the other way. I quickly snapped the top photo as it went by, not sure if it was even in the frame, before it disappeared into the shallows.

In the past, these juveniles have stuck around for several weeks, so I’ll hopefully get to see this one a few more times. Ultimately, it will head out to deep water and grow up to be a stocky four-footer living up to 200 feet down.

Threadfin Jack Juvenile in sunlight

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