Category
Species & Behavior
Fish behavior, habitat, depth, forage relationships, and species-specific field decisions. Start with the Freshwater Fish Species field guide.
Everything filed under this heading, newest first.
Worth opening first
- Summer Crappie Are a Depth Problem Before They’re a Jig ProblemDepth first, jig color last. That order decides more of the day than the tackle does.
- Redfish or Black Drum? The Difference That Actually MattersTwo fish on the same flat, and a bag limit that doesn’t care which one you thought it was.
Narrower headings inside this one

Silky Sharks Hide Their Strongest Clue Behind the Second Dorsal
Silky Shark identification uses a rearward first dorsal and the long free rear tip of the second dorsal. Compare Sandbar and Dusky Sharks and release the fish in the water.

Dusky Sharks Make the Dorsal Origin Do the Identification
Dusky Shark identification rests on the first dorsal origin over the pectoral free rear tip, backed by a moderate dorsal and shorter second-dorsal tip. Retention is prohibited.

Sandbar Sharks Put the First Dorsal Where You Can Test It
Sandbar Shark identification depends on an interdorsal ridge, a towering first dorsal, and its forward origin over the pectoral base. Compare Dusky and Silky Sharks, then release in the water.

Smooth Hammerheads Make an Absent Notch Carry the Identification
Smooth Hammerhead identification depends on seeing the entire unnotched front edge. Compare range, fins, handling risk, and current Atlantic rules.

The Scalloped Hammerhead Is Named for the Line You Need to See
Read the scalloped head margin, dark pectoral undersides, nursery pattern, population-specific ESA status, and current federal-versus-Florida rules.

The Great Hammerhead Gives You Two Clues, Then Makes You Prove Both
Great Hammerhead identification depends on a straight, center-notched head plus the towering first dorsal. Compare the three large hammerheads, then check current Atlantic and Florida rules.

Lemon Sharks Hide in Plain Sight Between Mangrove and Sand
Lemon sharks blend into sand and mangrove water. Their nearly equal dorsal fins separate them from bull sharks, while Florida’s harvest prohibition makes jurisdiction part of the identification.

Nurse Sharks Stop Moving Without Stopping the Water
Nurse sharks rest by pumping water over their gills, then use nasal barbels and suction to find bottom prey. Those same traits separate them cleanly from lemon sharks.

Bull Sharks Treat the River Mouth as a Two-Way Door
Bull sharks cross the salt line between coastal water and rivers. Learn the blunt snout, stocky body, unequal dorsals, estuary pattern, and current Atlantic HMS handling rules.

Sailfish Turn a Bait School Into Surface Water
Sailfish are best understood through the current edge, bait-school behavior, live-bait and kite presentation, circle-hook timing, and an immediate in-water release.