Table 1.

Summary of critical oxygen partial pressures (Pc) for metabolic rates of vertebrates and invertebrates

SpeciesCommon name/developmental stagePcReference
Invertebrates: non-insect
   Metridium senileSea anemone<6 kPaMangum and Van Winkle (1973)
   Caenorhabditis elegansNematode3.6 kPaVan Voorhies and Ward (2000)
   Nassarius obsoletusMud snail<12 kPaMangum and Van Winkle (1973)
   Nephrops norvegicusAdult lobster5 kPaSpicer (1995)
Invertebrates: insect
   Tenebrio molitorBeetle pupae<5 kPaGaarder (1918)
   Aedes aegyptiAdult mosquito3-4 kPaGalun (1960)
   Phormia reginaAdult fly2-5 kPaKeister and Buck (1961)
   Termopsis navidensisAdult termite2-5 kPaCook (1932)
   Locusta migratoriaAdult grasshopper3-4 kPaArieli and Lehrer (1988)
   Schistocerca americanaAdult grasshopper2-5 kPaGreenlee and Harrison (1998)
Vertebrates
   Rana temporariaAdult frog5-10 kPaTattersall and Boutilier (1999)
   Pseudemys nelsoniSnake embryo8-15 kPaKam and Lillywhite (1994)
   Coturnix coturnix japonicaAdult quail11 kPaWeathers and Snyder (1974)
22 small rodent species16-18 kPaRosenmann and Morrison (1975)