Water and energy turnover in a small monitor Lizard, Varanus Acanthurus

Gil Dryden, Brian Green, Dennis King, Jon Losos

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


The field metabolic rates and water influxes of Varanus acanthurus were determined by means of doubly-labelled water during late spring. The mean metabolic rate was 0-101 ±0-032 mL CO2 g-1 h-1, which was equivalent to an energy expenditure of 63 kJ kg-1 day“1 and a fresh food consumption rate of 13-2 g kg“1 day“1. The mean rate of water influx was 15• 9±6• 8 mL kg“1 day“1 and it is suggested that up to 30% of water influxes are via pulmo-cutaneous exchange and drinking. It is considered that V. acanthurus is a secretive ‘sit and wait’ predator and that this accounts for the lower than predicted water influx and metabolic rates of this species.

Original languageEnglish
Pages (from-to)641-646
Number of pages6
JournalWildlife Research
Issue number6
StatePublished - 1990


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