Research Article
Bounds on Biomass Estimates and Energetic Consequences of Ctenophora in the Northeast U.S. Shelf Ecosystem
Table 1
Energy density for common spiny dogfish (Squalus acanthias) prey items.
| Prey | kJ/g | Reference |
| Ctenophores—lower | 0.38 | [9, 23] | Ctenophores—upper | 0.84 | [9, 23] | Pandalus | | | shrimp—lower | 4.88 | [25] | Pandalus | | | shrimp—upper | 9.52 | [25] | Amphipods | 9.67 | [25] | General | | | invertebrates—lower | 1.00 | [25] | General | | | invertebrates—upper | 10.0 | [25] | Medusae | 0.25 | [25] | Ctenophores | 0.21 | [25] | Cephalopods | 5.50 | [25] | Bivalves | 1.54 | [25] | Gastropods | 2.28 | [25] | Zooplankton | 1.64 | [25] | General | | | crustaceans—lower | 3.50 | [25] | General | | | crustaceans—upper | 5.40 | [25] | Tunicates | 0.40 | [25] | Fish—lower | 4.00 | [26–28] | Fish—upper | 7.00 | [26–28] | Forage fish—lower | 10.0 | [26–28], Hartman pers. comm. |
| Forage fish—upper | 20.0 | [26–28], Hartman pers. comm. |
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