Impact of nest substrate limitations on patterns of illegitimacy in the fathead minnow, Pimephales promelas (Cypriniformes: Cyprinidae).

EFFECTS OF SERTRALINE EXPOSURE ON FATHEAD MINNOW (Pimephales promelas) STEROIDOGENESIS Dennis R. Carty Thesis Prepared for the Degree of MASTER OF SCIENCE UNIVERSITY OF NORTH TEXAS December 2014 Carty, Dennis R. Effects of Sertraline Exposure on Fathead Minnow (Pimephales

Modeling impacts on populations: fathead minnow (Pimephales promelas) exposure to the endocrine disruptor 17beta-trenbolone as a case study.

Evaluation of population-level impacts is critical to credible ecological risk assessments. In this study, a predictive model was developed to translate changes in fecundity of the fathead minnow (Pimephales promelas) in a short-term laboratory toxicity test to alterations in population growth rate. The model uniquely combines a Leslie population projection matrix and the logistic equation. App...

Preliminary data on the influence of rearing temperature on the growth and reproductive status of fathead minnows Pimephales promelas

An investigation into the influence of temperature on the growth and reproductive status of the fathead minnow Pimephales promelas revealed that, while there was no clear effect of treatment on sex differentiation, ovarian tissue from female fish reared under the highest temperature regime contained large amounts of undefined tissue containing no germ cells. Furthermore, both male and female fi...

The Toxicity of the Hydrolysis and Breakdown Products of Malathion to the Fathead Minnow (pimephales Promelas, Rafinesque)*

Abstract Malathion undergoes hydrolysis in aqueous solutions; the products derived from the reaction are dependent upon the pH of the medium. It was the purpose of this investigation to evaluate the toxicity of the products of malathion hydrolysis in the fathead minnow, Pimephales promelas. The studies were conducted by toxicity bioassays of 96 hr duration and continuous exposure tests of 14 da...

Chronic Toxicity of Di-n-butyl and Di-n-octyl Phthalate to Daphnia Magna and the Fathead Minnow

The toxicities of di-n-butyl phthalate (DBP) and di-n-octyl phthalate (DOP) were assessed by measuring the effect of exposure to these compounds on the fecundity of Daphnia magna and on the hatching and survival of the early life stages of the fathead minnow Pimephales promelas. For D. magna, exposure to 1.8 mg/L DBP or 1.0 mg/L DOP caused a significant reduction in reproduction. Doses of 0.56 ...