CO2 and calcification processes in fish

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Citations (Scopus)

Abstract

All teleost fish calcify and produce structures known as otoliths confined by saccular epithelia in the inner ear. These structures enable detection of acceleration/movement, equilibrium, pressure changes and sound vibrations. In addition, all marine teleosts produce CaCO3 precipitates in the intestinal lumen to serve osmoregulation. The precipitation reaction in the intestinal lumen of marine fish is vital for their survival and the precipitated CaCO3, which they void to the environment, is a substantial contribution to the inorganic carbon cycle. Both calcification processes are enhanced by exposure to elevate environmental CO2, also at levels relevant for short-term climate change, although species differences in sensitivity exists. The present chapter summarizes what we know about the mechanisms of both calcification processes and how elevated CO2 affects them and their related functions. Fish produced CaCO3 is generally Mg-rich and relatively soluble compared to other biogenic CaCO3. Consequently, the fate of voided CaCO3 is relatively uncertain. Although fish produced CaCO3 has been observed in sediments at shallow depths it appears that the majority of the voided CaCO3 dissolves and contributes to elevated titratable alkalinity with depth in ocean waters.

Original languageEnglish (US)
Title of host publicationFish Physiology
EditorsMartin Grosell, Philip L. Munday, Anthony P. Farrell, Colin J. Brauner
PublisherElsevier Inc.
Pages133-159
Number of pages27
ISBN (Print)9780128176092
DOIs
StatePublished - 2019

Publication series

NameFish Physiology
Volume37
ISSN (Print)1546-5098

Fingerprint

calcification
Fishes
fish
proprioception
osmoregulation
alkalinity
Otolithic Membrane
otoliths
Osmoregulation
interspecific variation
vibration
Carbon Cycle
marine fish
Climate Change
ears
Inner Ear
epithelium
seawater
Vibration
climate change

Keywords

  • HCO-transport
  • Inorganic carbon cycle
  • Intestine
  • Organic matrix
  • Osmoregulation
  • Otoliths
  • pH compensation

ASJC Scopus subject areas

  • Physiology
  • Animal Science and Zoology

Cite this

Grosell, M. (2019). CO2 and calcification processes in fish. In M. Grosell, P. L. Munday, A. P. Farrell, & C. J. Brauner (Eds.), Fish Physiology (pp. 133-159). (Fish Physiology; Vol. 37). Elsevier Inc.. https://doi.org/10.1016/bs.fp.2019.07.002

CO2 and calcification processes in fish. / Grosell, Martin.

Fish Physiology. ed. / Martin Grosell; Philip L. Munday; Anthony P. Farrell; Colin J. Brauner. Elsevier Inc., 2019. p. 133-159 (Fish Physiology; Vol. 37).

Research output: Chapter in Book/Report/Conference proceedingChapter

Grosell, M 2019, CO2 and calcification processes in fish. in M Grosell, PL Munday, AP Farrell & CJ Brauner (eds), Fish Physiology. Fish Physiology, vol. 37, Elsevier Inc., pp. 133-159. https://doi.org/10.1016/bs.fp.2019.07.002
Grosell M. CO2 and calcification processes in fish. In Grosell M, Munday PL, Farrell AP, Brauner CJ, editors, Fish Physiology. Elsevier Inc. 2019. p. 133-159. (Fish Physiology). https://doi.org/10.1016/bs.fp.2019.07.002
Grosell, Martin. / CO2 and calcification processes in fish. Fish Physiology. editor / Martin Grosell ; Philip L. Munday ; Anthony P. Farrell ; Colin J. Brauner. Elsevier Inc., 2019. pp. 133-159 (Fish Physiology).
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