Dusky Shark Tooth

Carcharhinus obscurus

Markings and exact colorations may vary.

A broad, finely serrated triangular upper tooth with a slight lean, common in mixed requiem shark finds.

Typical size
0.5–1.25 in
How often it turns up
Common
Collecting
Check local rules

Beach-found teeth above the waterline are generally fine to keep. Digging in rivers, on state land, or on submerged bottoms needs a Florida fossil permit.

Handling
Sharp edges

How to tell it apart

  • Fine, even serrations
  • Slightly oblique triangular crown
  • Wide, flat root

Where to find these in Florida

Beaches rated very good or excellent for shark teeth. Each page shows today’s score, the best window and access details.

Found one?

Photograph it and BeachNut ranks the likely matches with a confidence read, then logs it to your collection with the beach and date.

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More shark teeth in the field guide

Browse every shark teeth in the guide

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