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Toothhound
Florida

Peace River (Arcadia stretch)

Florida's legendary fossil river. Ice-age megafauna mixed with Miocene sharks: mammoth, mastodon, giant ground sloth, megalodon - all in one screen.

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Event timeline

🌊

Peace River — Extreme Low Water (Apr–Jun 2026)

ended

SWFWMD declared a Modified Phase III 'Extreme' Water Shortage in March 2026 (Polk, Hardee, DeSoto counties). The Lake Hancock water-control structure was closed to protect lake levels — cutting off discharge to the Upper Peace River. Sections from Lake Hancock to Fort Meade are expected to run dry. The Arcadia USGS gauge is in the 5th historical percentile. This is a once-in-a-decade collecting window: gravel bars normally underwater are walkable.

2026-04-012026-06-30
- Streamflow in the 5th historical percentile — among lowest ever recorded
- Lake Hancock structure closed; Upper Peace cut off from normal flow
+25 pts
🌊

Southeast Drought Watch 2026

active

NOAA predicting strong drought conditions across Florida and Georgia through summer 2026.

2026-06-012026-09-15
- Low water = exposed creek beds and river gravel bars
- Dry river sections reveal buried banks
+12 pts
Geology
FormationsBone Valley / Peace River Formation
EpochsMiocene, Pliocene, Pleistocene
Age~10 mya-10 kya
Star speciesMammoth tooth + Megalodon
Technique

Wade the gravel bars in DRY SEASON (Dec-April) when river is low. Screen the gravel into a sifter, swirl, look for black.

Access

Multiple public ramps: Brownville Park, Gardner Boat Ramp, Pioneer Park (Zolfo Springs).

Legality & ethics

Florida Fossil Permit (~$5/yr) required for ALL river fossil collecting. Vertebrate finds get reported on the annual form. Easy & fair.

Hazards
  • ALLIGATORS - never wade in murky water without scanning, never near banks at dawn/dusk
  • Water moccasins on banks
  • Sharp gravel - wear water shoes
Insider tips
  • Best when river is below 5ft on the Arcadia gauge
  • Late dry season (Mar-Apr) is peak - exposed gravel bars are everywhere
  • Bring two sifters: 1/4 inch coarse + 1/8 inch fine

Shark teeth findable here

Trophy = headline find · Rare = real score · Uncommon = some trips · Common = most trips.

Also findable here

The beachcomber's bonus round — what else the geology gives up.

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