1. Introduction - sperm competition in fish In polyandrous species females gain fitness from mating with multiple males [1,2]. Polyandry is achieved either by multiple mating events or a single mating event where more than one male provides sperm to receptive eggs. Pre-mating competition occurs ...
and 1 tentatively identified as Paricterotaenia sp.; 3 nematodes, Capillaria ovopunctatum, Chandlerella quiscali, Porrocaecum ensicaudatum) were found in 35 common grackles, Quiscalus quiscula, Linnaeus, 1758, examined from a fish hatchery near London, Ohio, U.S.A., in late May through Ju...
“I finally decided that someone should be me,” says Scheer. Scheer has a 126-acre lease near Craig Alaska on the east side of Prince of Wales Island. He is finishing a nursery build at the Oceans Alaska hatchery in Ketchikan (see side bar). Sea Grove Kelp, a division of his Premium...
This study showed that individual size and body shape can be used as reliable predictors of settlement and dispersal for artificially-reared fish when introduced in natural environments. Large, deep-bodied individuals with thicker caudal peduncles and higher metabolic rates (absolute, size-dependent SMR...
Not all snakes R bad; most would just rather catch a Rat\Mouse & b on their way!Rat snakes will climb trees; get into coops\nests 2 eat birds(all types); they will also swim:eat frogs;turtles;sick\dying fish;eat water moccassins. Many R as afraid of U as U R of them! Rob ...
Hosting a range of pairings, Jellyfish Hatchery features mostly limited and rare genes with a variety of color ranges - some guaranteed XXYs and some going all the way across the rainbow. We hatch for site-specific and real-life holidays, typically with eyes to match said holiday, and offer...