Acute cadmium biotic ligand model characteristics of laboratory-reared and wild yellow perch (Perca flavescens) relative to rainbow trout (Oncorhynchus mykiss)

S. Niyogi, P. Couture, G. Pyle, D. G. McDonald, C. M. Wood

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

This study evaluated the >400-fold tolerance to acute waterborne Cd of a metal-tolerant fish, yellow perch (YP, Perca flavescens), relative to a sensitive model fish, rainbow trout (RBT, Oncorhynchus mykiss), from the perspective of the acute Cd biotic ligand model (BLM). Three-hour gill binding characteristics for Cd and its competitor, Ca, in both species exhibited only small quantitative differences, but gill Cd accumulations at 3 h and 24 h, which were associated with 50% lethality at 96 h (3- and 24-h LA50s), were 52- to 60-fold higher in YP relative to RBT. However, the acute Cd BLM cannot be extended from RBT to YP by simple adjustments of LA50 values because unlike RBT, in YP, LA50s (3 and 24 h) were 26- to 47-fold greater than the capacity of the characterized set of Cd-binding sites. Moreover, 3-h gill Ca and Cd binding characteristics in wild YP, collected from one clean (Geneva) and two metal-contaminated softwater lakes (Hannah and Whitson) around Sudbury region, northern Ontario, revealed that chronic waterborne factors like hardness and Cd preexposure can influence both Cd and Ca binding in fish gills and could have major implications for the future refinement of the acute Cd BLM approach.

Original languageEnglish
Pages (from-to)942-953
Number of pages12
JournalCanadian Journal of Fisheries and Aquatic Sciences
Volume61
Issue number6
DOIs
StatePublished - Jun 1 2004

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Perca flavescens
ligand
rainbow
Oncorhynchus mykiss
cadmium
gills
fold
fish
metals
metal
Ontario
hardness
binding sites
tolerance
lakes
ligands
laboratory
lake

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Acute cadmium biotic ligand model characteristics of laboratory-reared and wild yellow perch (Perca flavescens) relative to rainbow trout (Oncorhynchus mykiss). / Niyogi, S.; Couture, P.; Pyle, G.; McDonald, D. G.; Wood, C. M.

In: Canadian Journal of Fisheries and Aquatic Sciences, Vol. 61, No. 6, 01.06.2004, p. 942-953.

Research output: Contribution to journalArticle

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