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Table 2 Survey summaries. All medusae found were saved for size and sexual development measurements unless otherwise stated

From: Distribution of the highly toxic clinging jellyfish Gonionemus sp. around the island of Martha’s Vineyard, Massachusetts, USA

Site Coordinates Plant/algal substrate Date Salinity # found Notes
Farm Pond - north 41.4484,
−70.5548
Sargassum July 23 29 0  
Farm Pond - south 41.4463,
−70.5567
Zostera July 9   35* *not saved
July 23 29 35* *not saved
July 30   65* *not saved
Aug 3   44  
Sengekontacket Pond - Majors Cove 41.4164, −70.5690 Zostera July 16 29 34  
Sengekontacket Pond - Trapps Pond 41.4014,
−70.5278
Gracilaria Sept 8 28 0  
Edgartown Great Pond – EGP2 41.3669,
−70.5515
Zostera Aug 5 19 1  
Edgartown Great Pond – EGP3 41.3677,
−70.5586
Zostera July 3 18 3  
Edgartown Great Pond – EGP4 41.3596,
−70.5410
Zostera July 12 21 11* *9 saved
July 19 19 1 *not saved
Aug 5 19 20  
Edgartown Great Pond – EGP5 41.3544,
−70.5638
Zostera Aug 14 19 1  
Edgartown Great Pond – EGP6 41.3530,
−70.5482
Zostera July 19 20 0  
Edgartown Great Pond – EGP7 41.3543,
−70.5579
Zostera July 8 20 2* *not saved
Edgartown Great Pond – EGP8 41.3577,
−70.5736
Zostera July 19 20 0  
Edgartown Great Pond – EGP9 41.3741,
−70.5609
sediment July 19 16 0  
Edgartown Great Pond – EGP10 41.3728,
−70.5658
sediment July 19 17 0  
Edgartown Great Pond – EGP11 41.3667,
−70.5456
Zostera July 12 19 2* *not saved
Edgartown Great Pond – EGP12 41.3602,
−70.5586
Zostera July 12 19 1* *not saved
July 24 20 1* *not saved
Aug 14 18 1* *not saved
Edgartown Great Pond – EGP13 41.3593,
−70.5521
sediment July 19 19 0  
Tisbury Great Pond 41.3542,
−70.6460
sediment July 31 13 0  
Stonewall Pond 41.3252,
−70.7575
Zostera July 24 29 64  
Squibnocket Pond 41.3157,
−70.7833
Ruppia July 31 0 0  
Lake Tashmoo 41.4546,
−70.6251
Zostera July 27 28 12  
Lagoon Pond 41.4315,
−70.6018
sediment Aug 3 27 0