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Table 2 Summary of fatty acid (FA) and stable isotope (SI) dataset of fish species Ctenolabrus rupestris (N = 46), Pomatoschistus minutus (N = 49), Pomatoschistus pictus (N = 33), Myoxocephalus scorpius (N = 23) and Taurulus bubalis (N = 48)—collected from 2009 to 2011

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

Fatty acid Ctenolabrus rupestris Pomatoschistus minutus Pomatoschistus pictus
2009 2010 2011 2009 2010 2011 2009 2010 2011
16:0 0.0099 ± 0.0030 0.0189 ± 0.0037 0.0216 ± 0.0038 0.0072 ± 0.0012 0.0154 ± 0.0030 0.013 ± 0.0041 0.0123 ± 0.0020 0.0195 ± 0.0023 0.0199 ± 0.0066
16:1n7 0.0019 ± 0.0011 0.0023 ± 0.0011 0.0030 ± 0.0019 0.0014 ± 0.0003 0.0022 ± 0.0007 0.0020 ± 0.0007 0.0017 ± 0.0004 0.0020 ± 0.0007 0.0030 ± 0.0015
18:0 0.0038 ± 0.0014 0.0072 ± 0.0018 0.0064 ± 0.0019 0.0028 ± 0.0006 0.0073 ± 0.0019 0.0056 ± 0.0016 0.0060 ± 0.0015 0.0107 ± 0.0029 0.0083 ± 0.0024
18:1n7 0.0009 ± 0.0020 0.0008 ± 0.0001 0.0008 ± 0.0001 0.0008 ± 0.0002 0.0007 ± 0.0001 0.0007 ± 0.0002 0.0011 ± 0.0002 0.0009 ± 0.0001 0.0011 ± 0.0001
18:1n9 0.0066 ± 0.0026 0.0111 ± 0.0036 0.0096 ± 0.0029 0.0042 ± 0.0009 0.0089 ± 0.0019 0.0039 ± 0.0012 0.0075 ± 0.0014 0.0119 ± 0.0036 0.0096 ± 0.0032
18:2n6 0.0013 ± 0.0003 0.0021 ± 0.0004 0.0012 ± 0.0002 0.0012 ± 0.0003 0.0045 ± 0.0015 0.0009 ± 0.0003 0.0024 ± 0.0004 0.0028 ± 0.0005 0.0024 ± 0.0005
18:3n6 0.0055 ± 0.012 0.0005 ± 0.0001 0.0005 ± 0.0001 0.0056 ± 0.0015 0.0006 ± 0.0001 0.0004 ± 0.0001 0.0075 ± 0.0014 0.0006 ± 0.0001 0.0007 ± 0.0002
18:3n4 0.0050 ± 0.0012 0.0004 ± 0.0001 0.0004 ± 0.0001 0.0048 ± 0.0014 0.0004 ± 0.0001 0.0003 ± 0.0001 0.0063 ± 0.0014 0.0004 ± 0.0001 0.0005 ± 0.0001
20:0 0.0014 ± 0.0003 0.0013 ± 0.0002 0.0012 ± 0.0002 0.0013 ± 0.0004 0.0011 ± 0.0002 0.0010 ± 0.0003 0.0018 ± 0.0004 0.0015 ± 0.0002 0.0016 ± 0.0002
20:1n9 0.0012 ± 0.0003 0.0017 ± 0.0005 0.0010 ± 0.0002 0.0007 ± 0.0002 0.0007 ± 0.0001 0.0005 ± 0.0002 0.0011 ± 0.0002 0.0009 ± 0.0001 0.0009 ± 0.0001
20:4n6 0.0024 ± 0.0007 0.0038 ± 0.0011 0.0033 ± 0.0005 0.0022 ± 0.0004 0.0034 ± 0.0009 0.0017 ± 0.0005 0.0029 ± 0.0005 0.0031 ± 0.0006 0.0030 ± 0.0007
20:4n3 0.0010 ± 0.0002 0.0010 ± 0.0002 0.0007 ± 0.0001 0.0009 ± 0.0002 0.0008 ± 0.0001 0.0005 ± 0.0002 0.0012 ± 0.0002 0.0011 ± 0.0001 0.0009 ± 0.0001
20:5n3 (EPA) 0.0056 ± 0.0016 0.0075 ± 0.0015 0.0073 ± 0.0020 0.0073 ± 0.0008 0.0087 ± 0.0024 0.0064 ± 0.0015 0.0111 ± 0.0019 0.0139 ± 0.0025 0.0098 ± 0.0024
22:0 0.0018 ± 0.0004 0.0016 ± 0.0003 0.0018 ± 0.0003 0.0033 ± 0.0013 0.0014 ± 0.0002 0.0016 ± 0.0005 0.0040 ± 0.0015 0.0020 ± 0.0003 0.0025 ± 0.0003
22:1n9 0.0010 ± 0.0002 0.0009 ± 0.0002 0.0009 ± 0.0002 0.0009 ± 0.0003 0.0009 ± 0.0002 0.0008 ± 0.0003 0.0012 ± 0.0003 0.0009 ± 0.0001 0.0013 ± 0.0002
22:2n6 0.0009 ± 0.0002 0.0008 ± 0.0002 0.0008 ± 0.0002 0.0009 ± 0.0003 0.0007 ± 0.0001 0.0008 ± 0.0002 0.0012 ± 0.0003 0.0009 ± 0.0001 0.0011 ± 0.0001
22:5n3 (DPA) 0.0030 ± 0.0008 0.0037 ± 0.0011 0.0055 ± 0.0057 0.0036 ± 0.0005 0.0031 ± 0.0020 0.0036 ± 0.0010 0.0033 ± 0.0005 0.0021 ± 0.0003 0.0021 ± 0.0005
22:6n3 (DHA) 0.0130 ± 0.0039 0.0284 ± 0.0066 0.0127 ± 0.0054 0.0081 ± 0.0033 0.0223 ± 0.0036 0.0074 ± 0.0024 0.0212 ± 0.0066 0.0348 ± 0.0055 0.0166 ± 0.0057
24:0 0.0026 ± 0.0006 0.0022 ± 0.0004 0.0030 ± 0.0005 0.0024 ± 0.0008 0.0019 ± 0.0003 0.0028 ± 0.0009 0.0034 ± 0.0007 0.0027 ± 0.0005 0.0043 ± 0.0006
24:1n9 0.0015 ± 0.0003 0.0014 ± 0.0003 0.0015 ± 0.0003 0.0013 ± 0.0004 0.0011 ± 0.0002 0.0013 ± 0.0004 0.0018 ± 0.0004 0.0015 ± 0.0003 0.0020 ± 0.0002
18:1n9/18:1n7 7.5810 ± 3.1188 13.9199 ± 5.0587 11.5795 ± 2.6632 5.2422 ± 0.8699 12.6419 ± 2.7442 5.4259 ± 0.8333 6.7921 ± 1.5793 13.8548 ± 4.2034 9.0624 ± 2.8988
DHA/EPA 2.3893 ± 0.5801 3.8234 ± 0.7062 1.8906 ± 1.0612 1.1046 ± 0.4352 2.6660 ± 0.5604 1.1544 ± 0.2163 1.8895 ± 0.4146 2.5258 ± 0.2595 1.7403 ± 0.5298
PUFA/SFA 2.1544 ± 0.2571 1.6743 ± 0.1575 1.0603 ± 0.1107 2.2391 ± 0.1710 1.8057 ± 0.1785 1.0386 ± 0.1171 2.2616 ± 0.1725 1.7394 ± 0.1727 1.1444 ± 0.1865
Stable isotope          
 δ 13C −16.8 ± 0.4 −16.7 ± 0.3 −16.0 ± 0.3 −14.9 ± 1.0 −17.6 ± 1.4 −15.5 ± 0.6 −16.4 ± 0.5 −15.3 ± 0.2 −17.3 ± 0.5
 δ 15N 18.2 ± 0.4 18.9 ± 0.5 18.6 ± 0.3 17.8 ± 0.7 14,5 ± 1.5 17.3 ± 0.5 16.5 ± 0.4 17.0 ± 0.5 16.2 ± 0.6
 Trophic position (TP) 3.7 ± 0.2 3.6 ± 0.2 3.8 ± 0.1 3.5 ± 0.2 3.4 ± 0.5 3.3 ± 0.2 3.1 ± 0.1 3.0 ± 0.2 3.0 ± 0.2
Fatty acid Myoxocephalus scorpius Taurulus bubalis
2009 2010 2011 2009 2010 2011
16:0 0.0051 ± 0.0013 0.0125 ± 0.0044 0.0140 ± 0.0064 0.0053 ± 0.0014 0.0135 ± 0.0026 0.0147 ± 0.0014
16:1n7 0.0007 ± 0.0003 0.0014 ± 0.0006 0.0020 ± 0.0120 0.0007 ± 0.0002 0.0016 ± 0.0006 0.0018 ± 0.0005
18:0 0.0019 ± 0.0004 0.0054 ± 0.0005 0.0054 ± 0.0039 0.0022 ± 0.0006 0.0075 ± 0.0029 0.0056 ± 0.0012
18:1n7 0.0005 ± 0.0001 0.0008 ± 0.0002 0.0009 ± 0.0003 0.0006 ± 0.0001 0.0013 ± 0.0005 0.0009 ± 0.0001
18:1n9 0.0034 ± 0.0012 0.0072 ± 0.0028 0.0068 ± 0.0030 0.0035 ± 0.0010 0.0086 ± 0.0025 0.0064 ± 0.0012
18:2n6 0.0010 ± 0.0002 0.0017 ± 0.0003 0.0012 ± 0.0004 0.0010 ± 0.0003 0.0023 ± 0.0006 0.0012 ± 0.0002
18:3n6 0.0034 ± 0.0005 0.0005 ± 0.0001 0.0005 ± 0.0002 0.0035 ± 0.0008 0.0008 ± 0.0003 0.0005 ± 0.0001
18:3n4 0.0032 ± 0.0005 0.0004 ± 0.0001 0.0004 ± 0.0002 0.0038 ± 0.0011 0.0007 ± 0.0003 0.0004 ± 0.0001
20:0 0.0008 ± 0.0001 0.0011 ± 0.0002 0.0012 ± 0.0005 0.0009 ± 0.0002 0.0018 ± 0.0007 0.0012 ± 0.0002
20:1n9 0.0005 ± 0.0001 0.0008 ± 0.0002 0.0007 ± 0.0003 0.0005 ± 0.0001 0.0011 ± 0.0003 0.0007 ± 0.0001
20:4n6 0.0019 ± 0.0005 0.0032 ± 0.0013 0.0025 ± 0.0008 0.0020 ± 0.0004 0.0039 ± 0.0009 0.0026 ± 0.0006
20:4n3 0.0006 ± 0.0001 0.0009 ± 0.0002 0.0007 ± 0.0002 0.0006 ± 0.0001 0.0013 ± 0.0004 0.0006 ± 0.0001
20:5n3 (EPA) 0.0052 ± 0.0013 0.0092 ± 0.0038 0.0077 ± 0.0031 0.0047 ± 0.0008 0.0086 ± 0.0025 0.0059 ± 0.0007
22:0 0.0011 ± 0.0002 0.0015 ± 0.0002 0.0020 ± 0.0007 0.0012 ± 0.0003 0.0025 ± 0.0010 0.0020 ± 0.0003
22:1n9 0.0006 ± 0.0001 0.0009 ± 0.0002 0.0011 ± 0.0004 0.0006 ± 0.0002 0.0014 ± 0.0005 0.0010 ± 0.0002
22:2n6 0.0006 ± 0.0001 0.0008 ± 0.0001 0.0010 ± 0.0003 0.0006 ± 0.0002 0.0013 ± 0.0005 0.0009 ± 0.0002
22:5n3 (DPA) 0.0018 ± 0.0003 0.0026 ± 0.0008 0.0020 ± 0.0006 0.0016 ± 0.0004 0.0033 ± 0.011 0.0025 ± 0.0006
22:6n3 (DHA) 0.0074 ± 0.0026 0.0136 ± 0.0061 0.0080 ± 0.0026 0.0066 ± 0.0017 0.0094 ± 0.0032 0.0058 ± 0.0011
24:0 0.0015 ± 0.0003 0.0021 ± 0.0003 0.0035 ± 0.0013 0.0017 ± 0.0004 0.0035 ± 0.0014 0.0034 ± 0.0006
24:1n9 0.0009 ± 0.0002 0.0012 ± 0.0003 0.0017 ± 0.0006 0.0010 ± 0.0002 0.0019 ± 0.0007 0.0016 ± 0.0003
18:1n9/18:1n7 6.5561 ± 2.0621 9.0001 ± 2.1672 7.2086 ± 1.9430 6.1707 ± 2.2665 7.1961 ± 2.0555 7.2564 ± 1.1873
DHA/EPA 1.4233 ± 0.2481 1.4524 ± 0.0746 1.0895 ± 0.1644 1.4319 ± 0.3312 1.0967 ± 0.2355 1.0023 ± 0.2009
PUFA/SFA 2.7136 ± 0.2063 1.5701 ± 0.2394 1.1039 ± 0.1970 2.5302 ± 0.3173 1.3094 ± 0.1906 0.8725 ± 0.0568
Stable isotope       
 δ 13C −16.0 ± 0.5 −15.5 ± 0.2 −15.1 ± 0.4 −16.8 ± 0.5 −16.4 ± 0.4 −15.2 ± 0.4
 δ 15N 18.7 ± 0.4 19.9 ± 0.4 18.5 ± 0.7 18.6 ± 0.5 19.4 ± 0.7 17.9 ± 0.9
 Trophic position (TP) 3.9 ± 0.1 4.0 ± 0.1 3.7 ± 0.2 3.8 ± 0.2 3.8 ± 0.2 3.6 ± 0.3
  1. Data are expressed as mean ± standard deviation (SD) in [µgFA/µgC] and (‰), respectively
  2. EPA is eicosapentaenoic acid (20:5n-3) and DHA is docosahexaenoic acid (22:6n-3)
  3. PUFA is the sum of all unsaturated fatty acids
  4. SFA is the sum of all saturated fatty acids