Life in the Open Ocean. Joseph J. Torres

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(<10 m³) 13 ± 13 5650 ± 6114 18 ± 29 Purcell (1989, 1990), Purcell and Grover (1990) Aequorea victoria 33–68 mm Larvae^c (10–100 m⁻³) 55 ± 48 1357 ± 908 49 ± 35 Purcell (1989, 1990), Purcell and Grover (1990) Aequorea victoria 33–68 mm Larvae^c (<100 m⁻³) 91 ± 47 288 ± 210 33 ± 32 Purcell (1989, 1990), Purcell and Grover (1990) Aurelia aurita 6–50 mm Larvae^d (na) 1.6 na 2.6–4.4 Möller (1980) Chrysaora quinquecirrha 40–70 mm Eggs^e (avg. 164 m⁻³) 343 ± 419 2213 ± 1625 14 ± 4 Purcell et al. (1994) Chrysaora quinquecirrha 40–70 mm Larvae^e (avg. 43 m⁻³) 86 ± 136 1818 ± 1861 29 ± 4 Purcell et al. (1994a) Stomolophus meleagris 55 mm Eggs^b (na) Na 3120 na Larson (1991) Ctenophore Mnemiopsis Leidyi 40 ml (live vol.) Eggs^e (224 ± 178 m⁻³) 42 ± 33 128 ± 58 9 ± 14 Purcell et al. (1994a)

      na = not available

^a Calculated from data in source.

^b Mixed species or unidentified.

^c Pacific herring.

^d Atlantic herring, Clupea harengus Linnaeus.

^e Bay anchovy.

Table 3.3 Summary of data on stomach contents of field‐caught Scyphomedusae.

      Source: Adapted from Arai (1997), table 3.2 (pp. 69–71).

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Species (size range if available)	Common prey items (in order of predominance)	Source/references
Aurelia aurita (2.5–150 mm)	Copepods, herring, hydromedusae, crustacea, tintinnids, cladocera, rotifers (in small Aurelia)	Matsakis and Conover (1991), Mironov (1967), Möller (1980), Olesen et al. (1994)
Aurelia aurita (80–300 mm)	Copepods, veligers	Hamner et al. (1982), Kerstan (1977)
Chysaora quinquecirrha (<6 mm)	Protozoa and rotifers	Purcell (1992)
Chysaora quinquecirrha (18 to >31 mm)	Copepods, fish eggs	Purcell (1992), Purcell et al. (1994b)
Cyanea capillata (40–700 mm)	Fish larvae, ctenophores, hydromedusae	Plotnikova (1961)
Cyanea capillata	Larvacea, cladocera, fish eggs, fish larvae, copepods	Fancett (1988)
Drymonema dalmatinum	Medusae	Larson (1987b)
Pelagia noctiluca	Fish eggs, copepods, cumacea, chaetognaths	Larson (1987b)
Pelagia noctiluca	Copepods, decapods, cladocerans, chaetognaths	Giorgi et al. (1991)
Periphylla periphylla	Copepods	Fosså (1992)
Phacellophora camtschatica	Fish larvae, larvacea, gelatinous zooplankton, copepods	Purcell (1990)
Pseudorhiza haeckeli	Fish eggs, fish larvae, copepods, larvacea, decapod larvae	Fancett (1988)