Jellyfishes in Mississippi in October
Yes, October is a good month to see jellyfishes in Mississippi. It is the 6th busiest month of the year, with 34 of the 372 sightings logged across the year (9.1%), based on verified iNaturalist records.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.
Good month for jellyfishes in Mississippi
9.1%
of yearly sightings
34
records in October
#6
busiest month of 12
372
verified records a year
September 16.4%, October 9.1%, November 6.7%. Busiest month is July at 16.7%.
372 verified observations of jellyfishes in Mississippi, recorded across 12 months of the year on iNaturalist.
When jellyfishes are recorded in Mississippi
Peak month
July
62 records (16.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 37 | 9.9% |
| Februarypeak | 40 | 10.8% |
| March | 26 | 7% |
| April | 8 | 2.2% |
| May | 5 | 1.3% |
| June | 27 | 7.3% |
| Julypeak | 62 | 16.7% |
| August | 36 | 9.7% |
| Septemberpeak | 61 | 16.4% |
| October | 34 | 9.1% |
| November | 25 | 6.7% |
| December | 11 | 3% |
Jellyfishes you are most likely to see
| Species | Verified observations |
|---|---|
| Bay Nettle | 120 |
| Dwarf Lion's Mane Jelly | 58 |
| Mushroom Jelly | 48 |
| Southern Moon Jelly | 40 |
| Cannonball Jelly | 15 |
| Atlantic Sea Nettle | 12 |
| Pink Meanie | 11 |
In Mississippi, October carries 9.1% of the year's jellyfishes sightings, about 0.8 points above an even month-to-month split. That makes it the 6th busiest of the twelve months, out of 12 months with recorded activity.
Activity is easing off from September (16.4%) into October, and it heads toward November (6.7%) after. The busiest month is July (16.7%), so if timing is flexible, that window is the safer bet.
The jellyfishes most often recorded in Mississippi are Bay Nettle, Dwarf Lion's Mane Jelly and Mushroom Jelly. Those counts are annual totals rather than a October split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in October itself.
Which jellyfishes you are most likely to see
- Bay Nettle120 records
- Dwarf Lion's Mane Jelly58 records
- Mushroom Jelly48 records
- Southern Moon Jelly40 records
- Cannonball Jelly15 records
- Atlantic Sea Nettle12 records
Plan your jellyfish trip in Mississippi
Start with live tours near Gulf Islands National Seashore, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Gulf Islands National Seashore
Use the live GetYourGuide widget to compare local departures and activity styles close to the main jellyfish viewing area.
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Stay nearbyStay near Gulf Islands National Seashore
Compare hotels, cabins and lodges close to the best jellyfish viewing area in Mississippi.
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Broader backupBook a jellyfish tour in Mississippi
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Frequently asked questions
Can you see jellyfishes in Mississippi in October?+
Yes. October accounts for 34 of the 372 verified jellyfishes sightings logged in Mississippi across the year, which is 9.1% of the annual total.
Is October a good time to see jellyfishes in Mississippi?+
October is the 6th busiest month. It is workable, though July and September is the stronger window for a reliable sighting.
What month is best for jellyfishes in Mississippi?+
July is the single busiest month, with the broader peak running through July, September and February, based on 372 verified observations.
Which jellyfishes are you most likely to see in Mississippi?+
The most-recorded species in Mississippi are Bay Nettle, Dwarf Lion's Mane Jelly and Mushroom Jelly, based on all-time iNaturalist counts.
See jellyfishes in Mississippi in other months
More places to see jellyfishes
More wildlife in Mississippi