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Finetooth Shark

Carcharhinus isodon

Also known as

null

IUCN status

Near Threatened

About the Finetooth Shark

The Finetooth Shark is a sleek and agile predator, recognized by its slender body and distinctive, needle-like teeth, perfectly adapted for grasping small, slippery prey. Its dorsal side typically displays a dark blue-gray hue, contrasting with a lighter belly, providing excellent camouflage in coastal waters. Anglers can also look for its notably long gill slits. This species is relatively small for a shark, generally not exceeding 6.2 feet (1.9 meters) in length, making it a manageable catch for many fishermen.

Source: FishBase & iNaturalist

Habitat

These sharks are primarily found in large schools within shallow, warm coastal waters, often near beaches, estuaries, and bays. They favor depths where their prey congregates, making them accessible to shore and inshore boat anglers.

Distribution

Their range spans the western Atlantic Ocean, from the temperate waters off North Carolina down to the tropical coasts of Brazil. Finetooth Sharks undertake seasonal migrations, moving northward and southward to follow their preferred warm water temperatures.

Behaviour

Finetooth Sharks are opportunistic feeders, preying mainly on small schooling fish such as menhaden, mullet, and croakers, as well as occasional squid. They are highly active predators, often seen herding baitfish. Their seasonal movements are dictated by water temperature, leading them to concentrate in certain areas during warmer months, which is when anglers are most likely to encounter them.

Edibility

★★★★★

The flesh of the Finetooth Shark is considered good eating, offering a firm, white, and mild-flavored meat. It can be prepared in various ways, similar to other smaller shark species, but proper bleeding and handling are key to its quality.

Lure suggestion

For Finetooth Sharks, targeting schools of baitfish is key. Live or cut bait such as menhaden, mullet, or smaller croakers presented on a sturdy wire leader with a circle hook (4/0-7/0) is highly effective. Artificials like large spoons, bucktail jigs, or even topwater plugs can also provoke strikes, especially when fished around active feeding frenzies.