HOBSON and CHESS; TROPHIC RELATIONS OF THE BLUE ROCKFISH 



Table 3.— Continued. 



PELAGIC HYDROZOA (318.24) 

 Hydromedusae 



Eutonina indicans 



Others 

 Syphonophora 



Muggiaea atlantica 



Stephanomla bijuga 



Others 

 Chondrophora 



Velella velella" 



LARVACEA (1.12) 



Undetermined 

 POLYCHAETA (0.87) 



Larvae 



Postlarvae 



FISHES (0.73) 

 Larvae 



10 



SCYPHOZOA (0.02) 

 Fragments 



OTHER CATEGORIES 

 Molluscan larvae 

 Cladocera 

 Harpacticolda 

 Cirripedean larvae 

 Gammaridea 

 Euphausiacea 

 Reptantian larvae 

 Natantian larvae 

 Chaetognatha 

 Eggs, undetermined 

 Eggs, fish 



UNIDENTIFIABLE MATERIAL^ 



No. fish examined: 85 

 204-335, X = 266.2 mm SL 

 No. empty = 8 



X no. prey: individuals = 110.84 

 taxa = 3.35 



2-35 



8-9 

 NR 

 2-16 



25-35 

 2-7 



2-7 



4-25 



4-25 



8-45 



8-45 



NR 



NR 



NR 



NR 



1-8 

 2-12 



NR 



30 





 



5 



5 



14 



7 



8 



8 



19 





 19 



4 



4 



3 



3 



1 

 

 3 

 



12 

 9 

 

 

 



12 

 



1.56 6.8 



0.00 

 0.00 



0.27 

 0.31 

 0.51 



0.47 



0.70 



0.70 



0.46 



0.00 

 0.46 



0.14 



0.14 



0.01 



0.01 



0.01 

 0.00 

 0.03 

 0.00 

 0.32 

 0.11 

 0.00 

 0.00 

 0.00 

 0.74 

 0.00 



0.0 

 0.0 



0.2 

 0.2 

 2.7 



3.7 



0.2 



0.2 



0.1 



0.0 

 0.1 



1.3 



1.3 



0.5 



0.5 



<0.1 

 0.0 

 NR 

 0.0 

 0.5 

 0.7 

 0.0 

 0.0 

 0.0 

 0.3 

 0.0 



1-20 



10-20 



1-5 



6-9 

 2-6 



NA"* 



2-6 



2-6 



<1-7 



<1-4 



7 



2-11 



2-11 



NR 



NR 



«1-<1 



«1-<1 



<1-2 



<1-2 



<1-3 



<1-11 



<1-3 



1-6 



6-18 



«1-<1 



<1-2 



70 



10 

 50 



10 







20 



NA 



70 



70 



70 



70 

 10 



50 



50 



NR 



NR 



70 

 40 

 70 

 100 

 90 

 60 

 70 

 60 

 50 

 50 

 60 



240.66 8.8 



0.54 

 187.56 



2.88 



0.00 



49.68 



NA 



142.74 



142.74 



103.50 



90.36 

 13.14 



4.50 



4.50 



NR 



NR 



631.08 



115.92 



55.25 



1372.44 



12.24 



229.86 



119.52 



43.20 



18.54 



2921.40 



48.96 



— — — 11.0 



No. plankton collections: 10 

 X no. zooplankters: 6622.50 



0.3 

 5.8 



0.6 

 0.0 

 2.1 



NA 



2.2 



2.2 



0.7 



0.3 

 0.4 



0.4 



0.4 



NR 



NR 



4.9 

 1.7 

 1.1 

 11.8 

 0.6 

 1.0 

 2.1 

 0.7 

 1.2 

 5.0 

 0.9 



'Value is estimated mean number per 100 m^ of water, based on water filtered (54.8 m^) during the 5-min collection. 

 2NR = not recorded. Ttie enumeration was eithier omitted or unfeasible. 



^IVIany of the calanoids from tfie plankton included in this category were juveniles and other undetermined stages of the species 

 distinguished above. Most were at the lower end of the size range indicated 

 ^Velella velella floats on the water's surface, where it was not effectively sampled by our net. 

 ^Foods digested beyond recognition. 



725 



