CLARKE: DIETS OF FOURTEEN SPECIES OF MESOPELAGIC FISHES 



Table 5.— Continued. 



Depth 



Standard length, mm 

 Prey type 



70 m 



90 m 



110m 



36-45 47-57 64-78 



36-45 46-60 37-45 



No. (Apparent search volume, m') 



45-60 62-75 76-86 



Euphausiid larva 1(0.12) 



Ostracod  1 .0 mm — 



Ostracod 1 ,0-1 .4 mm — 

 Ostracod 1 .5-1.9 mm 



Ostracod 2 0-2.9 mm — 



Amphipod 1.0-1.9 mm 1(0.11) 



Amphipod 2.0-2.9 mm 5(1.75) 



Amphipod s3.0 mm — 



Penaeldean juvenile -i- adult — 



Other prey: 70 m: 36-45 mm 



1(0,14) 1(0.22) 



1(0.83) 



2(0.38) 

 2(0.20) 



2(0.26) 



1(0.03) 

 1(0.05) 



3(0.70) 



2(3.60) 

 1(0.60) 



— 2(3.00) 



— — 2(1.76) 2(2.20) 



— — 1(3.5) 1(4.2) 4(10.4) — 



1 Scolecithrix danae (0,65), 1 Scottocalanus spp. (0,25), 



1 Neocalanus spp, (1,14) 

 1 Lucicutia spp. (0.07) 

 47-57 mm — 1 Nannocalanus minor (0.12) 

 64-78 mm — 1 mysid (10.09) 

 90 m: 36-45 mm— 1 Eucalanus spp. (2.30) 



46-60 mm — 1 Heterorhabdus spp. {-^). 1 Aetideidae C s2,0 mm (0,05), 1 megalopa (1,05) 

 110 m: 62-75 mm — 1 Euchaeta spp. (1.6), 1 Pleuromamma abdominalis C (0.09), 1 Nematoscelis spp 

 76-86 mm— 1 Carldean juvenile (19.2) 



(0.96) 



Table 6. — Stomach contents oi Triphotorus nigrescens and Notolychnus valdiuiae. 



Format as in Table 4. 



Species 

 Depth 



Standard length, mm 

 No, examined 

 No, with intact prey 

 No, of intact prey 



Prey type 



T. nigrescens 

 70 m 



19-25 26-37 



32 29 



30 28 



108 99 



No, (Apparent search volume, m^) 



90 m 



16-24 

 59 

 28 

 52 



N. valdiviae 

 110m 



19-24 



77 



62 



138 



170 m 



20-23 

 88 

 55 

 92 



Calanus tenuicornis — 



Nannocalanus minor 2(0,07) 



Undinula vulgaris 2(0,83) 



Undinula darwini 1(0,28) 



Clausocalanus spp. — 



Gaetanus spp. — 



Aetideidae C < 2.0 mm — 



Aetideidae C 2.0-3.0 mm 2(0.24) 



Aetideidae CV, CVI >3,0 mm 2(0,24) 



Euchaeta media 1(0,21) 



Scolecithrix danae 1 (0,42) 



Scolecithncella spp. < 1.0 mm 2(0.15) 



Scolecithricella spp. s=1.0 mm 1(0.02) 



Scottocalanus spp. CV, CVI — 



Pleuromamma xiphias 14(0,36) 



P xiphias CV — 



P abdominalis 5(0,49) 



P abdominalis C — 



P gracilis 6(0.08) 



Lucicutia spp. — 



Heterorhabdus spp. — 



Candacia longimana 3(0.42) 



Candacia spp. CV, CVI — 



Paracandacia spp. CV, CVI 2(0,05) 



Unident, calanoid — 



Oncaea spp. >0.6 mm 43(2.65) 



Corycaeus spp. 2(0.02) 



Euphausia spp 4(0,02) 



Euphausiid larva 3(0,23) 



Ostracod < 1.0 mm 3(0,20) 



Ostracod 1 ,0-1.4 mm — 



Ostracod 1.5-1.9 mm 1(0.04) 



Amphipod 1.0-1.9 mm 2(0.14) 



Amphipod 2.0-2.9 mm 3(0.67) 



Amphipod 33.0 mm 2(2.22) 



Other prey; 



T. nigrescens — 70 m 



1(0.04) 

 1(0.45) 

 1(0.30) 



1(0.13) 

 2(0.26) 

 2(0.45) 

 1(0.45) 

 2(0.16) 

 2(0.04) 

 1(0.17) 

 25(0.69) 

 1(0,04) 

 3(0.31) 

 2(0.02) 

 6(0.08) 

 1(0.05) 



5(0.74) 



4(0.12) 



1 

 12(0.79) 



1(0.01) 

 12(0.07) 



2(0.16) 



1(0.02) 

 1(0.04) 

 1(0.07) 

 1(0.24) 

 1(1.19) 



1(0.01) 



1(0.10) 

 2(0.07) 

 1(0.04) 

 1(0.06) 

 1(0.19) 



3(0.02) 



1(0.06) 



2(0.03) 

 1(0.10) 



5(0.74) 

 1(0.04) 



1 

 22(1,48) 



4(0.31) 

 3(0,06) 

 1(0,03) 

 1(0,10) 



2(0,01) 



1(0.01) 



2(0,03) 



2(0.06) 

 1(0.03) 



1(0) 



14(0.16) 

 4(0.10) 

 9(0.30) 



2(0.01) 

 1(0.05) 

 2(0.40) 

 3(0.11) 

 1(0.03) 

 3(0.11) 

 2 

 74(1.99) 



1(0.03) 

 3(0.45) 

 2(0.28) 



1(0.10) 

 3(0.23) 



1(0.03) 



1(0.04) 

 4(0.42) 

 4(0.29) 

 10(0.83) 

 2(0.44) 

 1(2.00) 



2(0.03) 

 1(0.49) 

 25(1.10) 

 4(0.09) 

 1(0.20) 

 2(0.20) 



1(0.02) 

 1(0.13) 

 5(1.75) 



2(^) 

 3 



21(0.38) 



19-25 mm 

 26-37 mm 



N. valdiviae 



-110m: 



— 170m: 



19-25 mm 



20-23 mm 



— 1 Neocalanus spp. (0.72) 



— 1 megalopa (1.38), 1 Stylocheiron spp, (0,14) 



1 Euaetideus acutus (0 08), 2 Euchaeta spp, C 

 >2,0 mm (0.42) 



— 1 Scolecithrix bradyi (0.02), 1 Pleuromamma 

 gracilis CV (0,02), 1 Heterorhabdus papilliger (0,02), 

 1 Stylocheiron spp, (0.09) 



— 1 zoea (-t) 



627 



