Effects of 17α-ethynylestradiol on early-life development, sex differentiation and vitellogenin induction in mummichog (Fundulus heteroclitus)

Trivalent chromium alters gene expression in the mummichog (Fundulus heteroclitus).

Mummichogs (Fundulus heteroclitus) were used as a model fish species to study the effects of trivalent chromium exposure. To ascertain chromium's effects, we examined altered gene expression by differential display between fish exposed in the laboratory and fish collected from a chromium-impacted estuarine site. Twenty differentially expressed genes were found from either laboratory-exposed fis...

Morphometry of hepatic neoplasms and altered foci in the mummichog, Fundulus heteroclitus.

The goal of this study was to intensively sample a small number of livers from a population of mummichog exposed to PAH-contaminated sediments and evaluate them for lesion pathology, distribution, shape, and volume, and the number of histological sections needed to adequately describe the extent of various lesions. Volumetric data for each lesion type from each step section was derived from dig...

Habitat Use and Movement of the Mummichog (Fundulus heteroclitus) in a Restored Salt Marsh

The mummichog, Fundulus heteroclitus, is one of the most abundant macrofaunal components of salt marsh ecosystems along the east coast of the United States. During April–November 1998, we determined the habitat use and movement patterns of young-of-the-year (YOY) and adult mummichogs in a restored marsh, formerly a salt hay farm, and an adjacent creek in order to expand our understanding of the...

Distribution and habitat preferences of the introduced mummichog Fundulus heteroclitus (Linnaeus) in southwestern Spain

The effects of increased snail (Nassarius obsoletus) density on the diet of the salt marsh mummichog (Fundulus heteroclitus)

Human activities have dramatically altered the global nitrogen cycle approximately doubling the rate of nitrogen input into the biosphere. Linda Deegan and her team are in the midst of conducting a long-term fertilization experiment at the Plum Island Sound estuary in order to understand how ecosystem function changes when excess nutrients (70-100 uM NO3 and 5-7 uM PO4 3) are added. They have f...