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Showing 1 to 6 of 6 for “"Longnose gar."”.
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Aspects Of Reproduction And Diet In A Coastal South Carolina Population Of Longnose Gar, Lepisosteus Osseus
<p>Longnose gar (Lepisosteus osseus) were collected opportunistically during the South Carolina Department of Natural Resources (SCDNR) Anadromous Fish Group monitoring program for shad (Alosa sapidissima) and sturgeon (Acipenser brevirostrum and Acipenser oxyrinchus) during Jan-Jul 2007 and …
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Mercury Concentrations in Fish from the Guadalupe River, Texas: Relationships with Body Length and Trophic Position
… were higher in top predators including longnose gar, flathead catfish, and striped bass, and lower in moderate and low trophic level fishes, including Mexican tetra, threadfin shad, and suckermouth catfish. Within the five sites examined, the average Hg concentration in each species was …
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Conservation Genetics of Gar (Atractosteus spp.)
<p>The alligator gar (<em>Atractosteus spatula</em>) is a large-bodied species of fish that historically was widely distributed in coastal drainages around the Gulf of Mexico and well north in the Mississippi River basin. Currently this species is experiencing population declines across much of its …
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Daphnia Diel Vertical Migration and Chemical Cues from Fish Predators
… (bluegill sunfish), Lepisosteus osseus (longnose gar), and Pimephales promelas (fathead minnow). Light had a significant effect on lowering Daphnia position in the last set of trials and limited data suggest this light effect was limited to columns containing water from bluegill sunfish …
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Non-lethal methods for assessing the health and status of fish species of conservation concern.
… used in this dissertation are the Alligator Gar Atractosteus spatula, a long-lived apex predator threatened by habitat loss and harvest oriented fishing, and the Longnose Gar Lepisosteus osseus a commonly occurring ubiquitous relative of Alligator Gar. This dissertation examines commonly used …
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THE WORLD ACCORDING TO GARS: THE MOLECULAR SYSTEMATICS AND COMPARATIVE PHYLOGEOGRAPHY OF LIVING GARS (ACTINOPTERYGII: LEPISOSTEIDAE)
There are seven living species of gars in two genera (Lepisosteiformes: Actinopterygii). In my first chapter, I estimate phylogenetic relationships among six of them using DNA data generated from four complete mitochondrial loci (cytb, CR, 12S, and 16S) and a single, partial nuclear …