Effects of ocean acidification on the embryos and larvae of red king crab, Paralithodes camtschaticus (NCEI Accession 0170752)

The effects of the decline in ocean pH, known as ocean acidification, on marine species are not well understood. To test the effects on embryos and larvae of red king crab, Paralithodes camtschaticus, ovig-erous crab and their larvae were held in CO2-acidified (pH 7.7) and control (ambient; pH 8.0) seawater during development. Morphometrics, hatch duration, fecundity, survival, mineral content, and condition were measured. Acidified embryos had 4% larger eyes and 5% smaller yolks, while mean hatch duration was 33% longer and female fecundity was unaffected. Acidified embryos also resulted in 4% longer larvae while acidified larvae had lower survival. Calcium content of both larvae and female carapaces after molt-ing increased by 5% and 19%, respectively. Although ocean acidification may increase larval size and cal-cium content, the implications of this are unclear and decreased survival is likely to harm red king crab populations.
  • Cite as: Foy, Robert; US DOC/NOAA/NMFS > Alaska Fisheries Science Center (2018). Effects of ocean acidification on the embryos and larvae of red king crab, Paralithodes camtschaticus (NCEI Accession 0170752). NOAA National Centers for Environmental Information. Unpublished Dataset. [access date]
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Distributor DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
301-713-3277
NCEI.Info@noaa.gov
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DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
301-713-3277
NCEI.Info@noaa.gov
Time Period Unknown to Unknown
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Publication Dates
  • publication: 2018-02-26
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Dataset Progress Status Complete - production of the data has been completed
Data Update Frequency As needed
Purpose Basic research
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Dataset Citation
  • Cite as: Foy, Robert; US DOC/NOAA/NMFS > Alaska Fisheries Science Center (2018). Effects of ocean acidification on the embryos and larvae of red king crab, Paralithodes camtschaticus (NCEI Accession 0170752). NOAA National Centers for Environmental Information. Unpublished Dataset. [access date]
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Theme keywords NODC DATA TYPES THESAURUS NODC OBSERVATION TYPES THESAURUS WMO_CategoryCode
  • oceanography
Data Center keywords Global Change Master Directory (GCMD) Data Center Keywords
  • DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce
  • DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
  • DOC/NOAA/NMFS/AFSC > Alaska Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce
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  • Cite as: Foy, Robert; US DOC/NOAA/NMFS > Alaska Fisheries Science Center (2018). Effects of ocean acidification on the embryos and larvae of red king crab, Paralithodes camtschaticus (NCEI Accession 0170752). NOAA National Centers for Environmental Information. Unpublished Dataset. [access date]
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Last Modified: 2018-02-26T19:06:06
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