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Showing 1 to 20 of 57 for “"darter"”.
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Captive propagation, reproductive biology, and early life history of Crystallaria cincotta (Diamond Darter), Etheostoma wapiti (Boulder Darter), E. vulneratum (Wounded Darter), and E. maculatum (Spotted Darter)
… was conducted on Crystallaria cincotta (Diamond Darter), a rare species with a single extant population in the lower Elk River, WV. Also, captive propagation studies were conducting during 2008 on three species of darters of the subgenus Nothonotus: Etheostoma wapiti (Boulder Darter), E. …
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Early Development of the Stippled Darter, Etheostoma Punctulatum and Arkansas Darter, Etheostoma Cragini
Early developmental stages of the stippled darter (Etheostoma punctulatum) and the Arkansas darter (E. cragini) were compared. The Arkansas darter had a smaller egg (1.5 mm average diameter) and prolarva at hatching (4.0 mm) than the stippled darter, which had an average egg diameter 1.7 mm and …
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Life History of the Stippled Darter, Etheostoma Punctulatum
Aspects of the life history of the stippled darter, Etheostoma punctulatum, were studied in the Spring River, Missouri. A total of 481 specimens was collected from 3 March, 1983 to 19 April, 1984. Females attained a maximum standard length of 85 mm and males 83 mm. Both sexes had a longevity of …
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The Life History of the Yoke Darter, Etheostoma Juliae
Aspects of the life history of the yoke darter, Etheostoma juliae Meek, were studied in the James River, Missouri. A total of 652 specimens was collected from September, 1981 through September, 1982. Yoke darters attained a maximum standard length of 71 mm and had a maximum longevity of slightly …
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Comparison Of Spawning Habitat And Nest Density Between Buck Darter (etheostoma Nebra) And Striped Darter (etheostoma Virgatum) Populations In The Cumberland River Drainage, Kentucky
<p>The Buck Darter (Etheostoma nebra) is an imperiled, small-stream species in the Cumberland River drainage in southern Kentucky. It was originally thought to be a population of the Striped Darter (E. virgatum) species and was prevalent throughout the Buck Creek system. It was separated from the …
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Conservation Genetics and Distribution of the Yazoo Darter (Etheostoma Raneyi)
The Yazoo Darter is a range-restricted endemic fish in north-central Mississippi. Because the limited and fragmented range of this species puts it at risk of extinction, the Yazoo Darter has been classified as vulnerable or sensitive by several agencies and conservation organizations. However, the …
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An Analysis of Diversity in the Darter Genus, Percina (Osteichthyes, Percidae)
Made available in DSpace on 2014-12-12T01:27:39Z (GMT). No. of bitstreams: 1 7310018.pdf: 7894936 bytes, checksum: 05927dc0108bba88fe4782ef047e0569 (MD5) Previous issue date: 1972
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Freckled Darter (Percina lenticula) And Other Fishes’ Usage Of Wood Pile Habitat
<p>Effectively sampling habitat with the proper techniques is essential for our understanding of the animals that use the habitat, both for individual species and entire species assemblages. <em>Percina lenticula</em> is a species of special concern in the state of Mississippi due to low numbers of …
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Systematic Studies of the Orangethroat Darter, Etheostoma Spectabile, Complex (Percidae: Subgenus Oligocephalus)
… previously recognized as the orangethroat darter, Etheostoma spectabile, with an emphasis on populations occurring south of the Ohio River in Kentucky and Tennessee and a reexamination of populations occurring in the Ozarks, has revealed the existence of nine previously unknown taxa and …
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Detectability, movement, and population structure of the endangered Candy Darter in Virginia
Minnows and darters are the most imperiled freshwater fish species in North America as a result of habitat degradation and restricted ranges, which often results in isolated populations. The Candy Darter Etheostoma osburni was recently listed as Endangered and may represent a suite of other …
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Factors Influencing Darter Dispersal Patterns in the Upper Roanoke River Watershed, Virginia
… that influence the dispersal patterns of darters, I conducted a spatially intensive mark/recapture study of three darter species in the upper Roanoke River watershed. Logistic regression was used to relate observed inter-riffle movements to gradients in riffle and corridor attributes. …
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Movement Patterns of the Kentucky Arrow Darter (Etheosotma spilotum), Frecklebelly Darter (Percina stictogaster), and Southern Redbelly Dace (Chrosomus erythrogaster) in Elisha Creek and Gilbert's Big Creek, Red Bird River, Kentucky.
… the movement patterns of the Kentucky Arrow Darter (Etheosotma spilotum), Frecklebelly Darter (Percine stictogaster), and Southern Redbelly Dace (Chrosomus erythrogaster) in two dynamic headwater streams, Elisha Creek and Gilbert's Big Creek, in the Red Bird River, Kentucky, utilizing Passive …
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Effects of Turbidity on Anti-Predator Response and Foraging Behavior in the Fountain Darter, Etheostoma fonticola
… by turbidity. The federally endangered fountain darter (Etheostoma fonticola) is an important species for investigating the impacts of turbidity on behavior. Etheostoma fonticola is endemic to the clear, spring-fed waters of the San Marcos and Comal Rivers. These rivers are currently subject to a …
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Geomorphic Assessment and Flow Modeling of Pearl Darter (Percina aurora) Habitat in the Pascagoula River Watershed
… species. One such species is the Pearl Darter, <em>Percina aurora</em>, a federally threatened species that only resides in the Pascagoula River watershed. Despite its status, habitat preference remains unclear. To fill this knowledge gap, I developed a novel approach to summarizing …
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Mating behavior and the effects of turbidity on preferences for size in the fountain darter, Etheostoma fonticola
… as well as mating preferences. The fountain darter, Etheostoma fonticola, is federally endangered making it an especially important species for examining the effects of turbidity on social behavior. Etheostoma fonticola is endemic to only two clear, spring-fed rivers in central Texas that are …
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Understanding key factors influencing habitat quality for the endangered fountain darter (Etheostoma fonticola) in the Comal River.
… lake where DO is low enough to threaten fountain darter survival, but there is little cause for concern under current conditions.
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Habitat and Imperilment of the Candy Darter <i>Etheostoma osburni</i> in the New River Drainage, USA
… of an imperiled highland stream fish, the Candy Darter Etheostoma osburni. In Chapter 2, I asked (1) does micro-habitat suitability correlate with the "robustness" (i.e., viability) of four distinct populations? In Chapter 3, I expanded the extent of investigation, and asked (2) which …
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Population biology and fish hosts of several federally endangered freshwater mussels (Bivalvia: Unionidae) of the upper Tennessee River drainage, Virginia and Tennessee
… to the banded and mottled sculpin, greenside darter, redline darter, fantail darter, and snubnose darter. Fish hosts identified for <i>V. perpurpurea</i> also were the banded and mottled sculpin, greenside darter, and redline darter. Size class structure of the tan riffleshell population …
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Establishing Patterns in Vegetation Associations of the Fountain Darter Etheostoma fonticola in the San Marcos and Comal Rivers of Texas
… habitats and fish communities. The Fountain Darter Etheostoma fonticola, found only in spring systems of the San Marcos and Comal rivers in central Texas, is reported to associate with vegetation for feeding, reproduction, and refuge. Descriptions of associations with vegetation range from …
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