نتایج جستجو برای: mosquitofish

تعداد نتایج: 326  

2007
WILLIAM F. FONT

Introduced freshwater fishes impact native Hawaiian stream fishes in two important ways. In addition to direct negative effects associated factors such as predation, competition, and interference, indirect effects may occur when exotic fishes transfer their parasites to native hosts. Six species of helminths that have been introduced with alien live-bearing fishes, including guppies, green swor...

Journal: :Bulletin of environmental contamination and toxicology 2014
Crystal D Watkins Kirk O Winemiller Miguel A Mora Bowen Du C Kevin Chambliss Bryan W Brooks David Phalen

Personal care products, pharmaceuticals, and other contaminants of emerging concern (CECs) in domestic wastewater treatment plant (WWTP) effluents can impact aquatic organisms. Health indicators were compared for mosquitofish (Gambusia affinis) collected above and below WWTP discharges from five streams in suburban areas of the Houston metropolitan area, Texas, USA. Specimens were evaluated for...

Journal: :Biology letters 2010
Andrew T Kahn Brian Mautz Michael D Jennions

Sexual selection is a major force behind the rapid evolution of male genital morphology among species. Most within-species studies have focused on sexual selection on male genital traits owing to events during or after copulation that increase a male's share of paternity. Very little attention has been given to whether genitalia are visual signals that cause males to vary in their attractivenes...

2009
SARAH BROCK WILLIAM F. FONT

Helminth parasites of mosquitofish (Gambusia affinis) were surveyed in Bayou Traverse, a waterway in the LaBranche wetlands of southeastern Louisiana, U.S.A. In total, 1,255 parasites belonging to 8 species were collected and identified, including Ascocotyle ampullacea, Ascocotyle mcintoshi, Ascocotyle tenuicollis, Phagicola diminuta, Phagicola sp., Echinochasmus swartzi, Posthodiplostomum mini...

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