Food Habits Metadata

  • Quantitative data since 1973 available from collections during bottom trawl surveys.
  • Range from Cape Hatteras, North Carolina to Nova Scotia in all four seasons.
  • Over 83,700 nm2 covered.
  • Over 150 species sampled and over 45 species with more than 1,000 stomachs across four decades.
  • Over 750,000 prey records in the database.
  • Over 600,000 stomach samples in the database.
  • Over 1,300 prey items.
  • Unidentified fish, unclassified crustaceans, and animal remains were the most commonly encountered prey items in the database, indicating that much of the observed prey is well digested.
  • Major prey, common to numerous predators, are Ammodytes spp., Euphausiids, Polychaetes, Crangon septemspinosa, and Gammarids.
  • Major prey phyla include Arthropoda, Mollusca, Chordata, Annelida, Echinodermata, Cnidaria, Porifera, Ctenophora, Platyhelminthes, and Bryozoa.
  • Predator size ranges from 1 cm to 2 m.
  • Prey size ranges from 0.1 mm to 1 m.