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Threadfin Shad
Common

Threadfin Shad

Dorosoma petenense

A small silvery baitfish with a distinctive long trailing filament on the dorsal fin. Important forage species for predatory gamefish like bass, stripers, and catfish.

The record

Threadfin Shad at a glance

Scientific name
Dorosoma petenense
Typical size
2-6 inches, less than 1 lb
Water
Freshwater
Habitat
Freshwater
Rarity in the Fishdex™
Common
Where it lives

Habitat

Found in large rivers, reservoirs, and lakes throughout much of the southeastern and southwestern United States. Primarily targeted by anglers using cast nets or seines for use as live or cut bait when fishing for larger predatory species.

Catch one and it is yours

Log a threadfin shad through the Cobia Camera and this entry fills in with your photo, your personal best, and the exact conditions on the day. The app also carries the slot and season rules for wherever you are standing.

How the Fishdex™ works
Questions

Threadfin Shad questions people ask

Threadfin Shad is Dorosoma petenense.

A typical threadfin shad runs 2-6 inches, less than 1 lb. Cobia records the length and weight of every threadfin shad you log and keeps your personal best on its Fishdex entry.

Found in large rivers, reservoirs, and lakes throughout much of the southeastern and southwestern United States. Primarily targeted by anglers using cast nets or seines for use as live or cut bait when fishing for larger predatory species. It is a fresh water species, filed under freshwater in the Fishdex.

Yes. Log one through the Cobia Camera and this entry fills in with your own photo, your personal best, and the conditions on the day you caught it. The app also carries the slot limits and season dates for wherever you are standing. It is free.

Free on iPhone

Tomorrow morning starts tonight

Set your home water, pick a drive radius, and wake up to a plan.

Download Cobia on the App Store Android coming soon

iPhone, iOS 17 or later. Setup takes about a minute.