Skip to main content

Advertisement

Table 6 Stomach content of the examined fish species

From: Parasite fauna of the Antarctic dragonfish Parachaenichthys charcoti (Perciformes: Bathydraconidae) and closely related Bathydraconidae from the Antarctic Peninsula, Southern Ocean

Fish species Food item F (%) N (%) W (%) IRI
Gymnodraco acuticeps Crustacea 60.00 87.50 24.49 6719.33
Euphausiacea 40.00 50.00 22.03 2881.35
Euphausia sp. 20.00 25.00 16.09 821.78
Crustacea indet. 20.00 37.50 2.46 799.10
Teleostei 40.00 12.50 75.51 3520.45
Parachaenichthys charcoti Crustacea 90.70 93.43 61.94 14091.53
Euphausiacea 32.56 22.63 31.23 1753.44
Euphausia superba 13.95 11.68 17.43 406.18
Gammaridae 4.65 25.55 1.64 126.46
Isopoda 2.33 0.73 0.72 3.37
Ceratoserolis sp. 2.33 0.73 0.72 3.37
Crustacea indet. 48.84 44.53 28.35 3559.03
Teleostei 20.93 6.57 38.06 934.15
Racovitzia glacialis Crustacea 100 100 100 20000.00
Euphausiacea 50.00 53.33 67,42 6037.53
Euphausia sp. 50.00 53.33 67,42 6037.53
Crustacea indet. 50.00 46.67 32,58 3962.47
Gerlachea australis Crustacea 100 100 100 20000.00
Crustacea indet. 100 100 100 20000.00
  1. Abbreviations: F frequency of occurrence, F numerical percentage, W weight percentage, IRI index of relative importance of the different prey groups