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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