H+ excretion in the marine teleost Parophrys vetulus.

D. G. McDonald, R. L. Walker, P. R. Wilkes, C. M. Wood

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


This study examined the branchial, renal and blood acid-base responses of a marine teleost to intravascular infusion of mineral acid (HCl at 1000 mu-equiv/kg). In all animals the renal response was insignificant for at least 3 days following infusion. Two types of branchial and blood acid-base response were seen. Either the infused load disappeared rapidly from the extracellular into the intracellular compartment and was slowly cleared from the body (+ 16 h following infusion) or, more commonly, remained in the extracellular compartment until rapidly cleared by a pronounced increase in branchial excretion. In the latter the amount excreted exceeded that infused by about twofold on average. These responses are discussed in relation to those of freshwater teleosts.

Original languageEnglish (US)
Pages (from-to)403-414
Number of pages12
JournalJournal of Experimental Biology
StatePublished - Jun 1982
Externally publishedYes

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Physiology
  • Aquatic Science
  • Animal Science and Zoology
  • Molecular Biology
  • Insect Science


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