Temperature acclimatisation of swimming performance in the European Queen Scallop

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14 Citations (Scopus)

Abstract

The phenotypic plasticity of muscle performance and locomotory physiology allows the maintenance of essential activity capacity in the face of environmental change, and has been demonstrated in a wide phylogenetic range of eurythermal vertebrates. This study used the scallop, Aequipecten opercularis, as a model eurythermal invertebrate. Animals caught in different seasons demonstrated marked differences in their swimming performance and the relationship between, temperature and performance. When stimulated to swim at natural ranges of temperature, Winter (cold acclimatised), animals accelerated faster than autumn collected animals swimming at the same temperature (x 2 at 11degreesC) and attained higher velocities during jetting. The effects of acclimatisation were confined to the jetting phase and may be a mechanism for the maintenance of acceleration during predator-prey interactions. This is the first demonstration of the thermal acclimatisation of muscle performance in a mollusc and one of very few studies in invertebrates. (C) 2004 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)119-124
Number of pages6
JournalJournal of Thermal Biology
Volume30
DOIs
Publication statusPublished - Feb 2005

Keywords

  • swimming
  • temperature
  • acclimatisation
  • phenotypic plasticity
  • muscle
  • invertebrate
  • scallop
  • pectinidae
  • Aequipecten opercularis
  • MUSCLE CONTRACTILE PROPERTIES
  • FISH MYOXOCEPHALUS-SCORPIUS
  • PLACOPECTEN-MAGELLANICUS (GMELIN)
  • ASTERIAS-VULGARIS VERRILL
  • CANCER-IRRORATUS SAY
  • THERMAL-ACCLIMATION
  • SEA STARS
  • PHENOTYPIC PLASTICITY
  • LOCOMOTOR PERFORMANCE
  • MOLECULAR MECHANISMS

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