Snakes and spiders in Glades County, Florida
Glades County, home of Moore Haven, has 15 snake and 3 spider species on record, from 421 licensed snake and 8 spider records. Venomous species here: the northern cottonmouth and the pygmy rattlesnake.
Are there venomous snakes or spiders in Glades County?
Yes. The northern cottonmouth: 9 licensed records, 3% of all Florida records of it. The pygmy rattlesnake: 5 licensed records, 1% of all Florida records of it.
What snakes are in Glades County?
In all, 15 snake species are on the Glades County list. The most recorded are the black swamp snake (129), the striped crayfish snake (107) and the Florida green water snake (41).
| # | Species | Records | Share of Florida records |
|---|---|---|---|
| 1 | Black swamp snake Liodytes pygaea | 129 | 30% |
| 2 | Striped crayfish snake Liodytes alleni | 107 | 29% |
| 3 | Florida green water snake Nerodia floridana | 41 | 10% |
| 4 | Southern watersnake Nerodia fasciata | 33 | 2% |
| 5 | Eastern racer Coluber constrictor | 20 | 1% |
| 6 | Common garter snake Thamnophis sirtalis | 12 | 2% |
| 7 | Mud snake Farancia abacura | 9 | 5% |
| 8 | Northern cottonmouth venomous Agkistrodon piscivorus | 9 | 3% |
| 9 | Eastern kingsnake Lampropeltis getula | 8 | 4% |
| 10 | Pygmy rattlesnake venomous Sistrurus miliarius | 5 | 1% |
| 11 | Corn snake Pantherophis guttatus | 4 | 1% |
| 12 | Eastern ribbonsnake Thamnophis saurita | 3 | 0% |
| 13 | Ring-necked snake Diadophis punctatus | 3 | 1% |
| 14 | Eastern rat snake Pantherophis alleghaniensis | 2 | 2% |
| 15 | Brown water snake Nerodia taxispilota | 1 | 0% |
What spiders are in Glades County?
In all, 3 spider species are on the Glades County list. The most recorded are the huntsman spider (1), the regal jumper (1) and the sixspotted fishing spider (1).
| # | Species | Records | Share of Florida records |
|---|---|---|---|
| 1 | Huntsman spider Heteropoda venatoria | 1 | 1% |
| 2 | Regal jumper Phidippus regius | 1 | 0% |
| 3 | Sixspotted fishing spider Dolomedes triton | 1 | 1% |
What stands out in Glades County
Species for which Glades County holds a large share of all Florida records: the black swamp snake, 30% (129 of 431); the striped crayfish snake, 29% (107 of 369).
Common in Florida, not on the Glades County list
Among the snakes most recorded across Florida, these do not reach the county list: the Burmese python (8,141 statewide), the Florida cottonmouth (461 statewide) and the eastern diamondback rattlesnake (396 statewide). Few records here can mean the species is rare in the county, or that few people have looked.
Harmless lookalikes in Glades County
No copperheads reach the county list, but the eastern copperhead is on the Florida list: treat any snake like it as venomous until identified. Harmless species often taken for them here: the corn snake and the eastern rat snake. Cottonmouths are on the county list, and so are harmless species often taken for them: the Florida green water snake, the southern watersnake, the mud snake and the brown water snake.
Glades County among Florida counties
By licensed snake records Glades County ranks 10th of 67 Florida counties with any.
Other Florida counties with their own page: Miami-Dade County, Collier County, Alachua County, Monroe County, Broward County, Lee County, Orange County and Marion County.
The whole state: venomous species in Florida, all snakes, all spiders.
GBIF records read 2026-09-29. Listed: any license. Counted: CC0/CC BY only. How we count.