Hydrazine: acute toxicity to bluegills and sublethal effects on dorsal light response and agression

Journal Article · Thu May 01 00:00:00 EDT 1980 · Trans. Am. Fish. Soc.; (United States)

DOI:https://doi.org/10.1577/1548-8659(1980)109<304:H>2.0.CO;2· OSTI ID:5298407

Fisher, J W ^[1]; Harrah, C B; Berry, W O

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1. Air Force Aerospace Medical Research Lab., OH

The effects of hydrazine on bluegills, Lepomis macrochirus, were assessed in terms of acute toxicity and by examining the alterations hydrazine induced in the dorsal light response and agressiveness. The static 96-hour median lethal concentration (LC50) of hydrazine was 1.08 mg/liter and the 96-hour continuous-flow no-lethal-effect concentration was 0.43 mg/liter. The dorsal light response in the presence of an artificial prey was significantly decreased within 15 minutes of exposure to hydrazine concentrations well below the 96-hour static LC50. This was true both in static and in continuous-flow conditions. In addition, aggresiveness, as measured by the number of attacks on the prey, was increased in a dose-related manner. Control fish made no attacks, but attacks increased as the hydrazine concentrations increased. These behavioral measurements offer some promise as monitors of subtle, sublethal effects of hydrazine and possibly other aquatic pollutants on fish.

• OSTI ID: 5298407
• Journal Information: Trans. Am. Fish. Soc.; (United States), Vol. 109:3
• Country of Publication: United States
• Language: English

Related Subjects

63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
54 ENVIRONMENTAL SCIENCES
59 BASIC BIOLOGICAL SCIENCES
FISHES
SENSITIVITY
HYDRAZINE
TOXICITY
BEHAVIOR
DOSE-RESPONSE RELATIONSHIPS
FOOD CHAINS
VISIBLE RADIATION
ANIMALS
AQUATIC ORGANISMS
ELECTROMAGNETIC RADIATION
NITROGEN COMPOUNDS
RADIATIONS
VERTEBRATES
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520200 - Environment
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550100 - Behavioral Biology