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Table 1 Sample information on number of individuals (N), mean ± standard deviation (SD) of standard length (SL) and mass (M) as well as specific sampling locations of the key fish species collected around Helgoland from 2009 to 2011

From: Trophic niche partitioning of littoral fish species from the rocky intertidal of Helgoland, Germany

Species (common name)

Sampling year

N

SL (mm)

mean ± SD

M (g)

mean ± SD

Sampling location (i.e. fishing grounds)

Ctenolabrus rupestris (goldsinny wrasse)

2009

19

116 ± 12

39.04 ± 11.88

Pier of institute, South harbour (2011)

2010

17

107 ± 17

29.39 ± 13.13

2011

10

95 ± 10

16.94 ± 4.43

Pomatoschistus minutus (sand goby)

2009

20

63 ± 6

3.56 ± 1.19

Dune harbour

2010

19

59 ± 5

2.19 ± 0.57

2011

10

52 ± 3

1.83 ± 0.39

Pomatoschistus pictus (painted goby)

2009

17

27 ± 5

0.41 ± 0.26

North-east harbour

2010

9

32 ± 7

0.22 ± 0.07

2011

7

23 ± 3

0.17 ± 0.08

Myoxocephalus scorpius (short-spined sea scorpion)

2009

11

161 ± 19

106.41 ± 42.67

Pier of institute, South harbour, West pier

2010

3

154 ± 32

98.44 ± 48.72

2011

9

147 ± 37

87.56 ± 62.36

Taurulus bubalis (long-spined sea scorpion)

2009

20

111 ± 15

41.94 ± 17.18

Pier of institute, South harbour, West pier

2010

18

119 ± 13

53.61 ± 23.03

2011

10

124 ± 19

63.74 ± 28.10