Premium
Photo‐induced toxicity following exposure to crude oil and ultraviolet radiation in 2 Australian fishes
Author(s) -
Sweet Lauren E.,
Revill Andrew T.,
Strzelecki Joanna,
Hook Sharon E.,
Morris Jeffrey M.,
Roberts Aaron P.
Publication year - 2018
Publication title -
environmental toxicology and chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.1
H-Index - 171
eISSN - 1552-8618
pISSN - 0730-7268
DOI - 10.1002/etc.4083
Subject(s) - toxicity , sunlight , environmental chemistry , toxicology , biology , fishery , zoology , chemistry , physics , organic chemistry , astronomy
Abstract Some polycyclic aromatic hydrocarbons (PAHs), components of crude oil, are known to cause increased toxicity when organisms are co‐exposed with ultraviolet radiation, resulting in photo‐induced toxicity. The photodynamic characteristics of some PAHs are of particular concern to places like Australia with high ultraviolet radiation levels. The objective of the present study was to characterize the photo‐induced toxicity of an Australian North West Shelf oil to early life stage yellowtail kingfish ( Seriola lalandi ) and black bream ( Acanthopagrus butcheri ). The fish were exposed to high‐energy water accommodated fractions for 24 to 36 h. During the exposure, the fish were either co‐exposed to full‐intensity or filtered natural sunlight and then transferred to clean water. At 48 h, survival, cardiac effects, and spinal deformities were assessed. Yellowtail kingfish embryos co‐exposed to oil and full‐spectrum sunlight exhibited decreased hatching success and a higher incidence of cardiac arrhythmias, compared with filtered sunlight. A significant increase in the incidence of pericardial edema occurred in black bream embryos co‐exposed to full‐spectrum sunlight. These results highlight the need for more studies investigating the effects of PAHs and photo‐induced toxicity under environmental conditions relevant to Australia. Environ Toxicol Chem 2018;37:1359–1366. © 2018 SETAC