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Channel Catfish Life History and Biology
SRAC Publication No. 180 Southern Regional Aquaculture Center December, 1988 . Channel Catfish Life History and Biology Thomas L. Wellborn* Channel cattish, Ictalurus punctatus Rocky Mountains. Since then chan- is located on the back between the (Rafinesque), is the most important nel catfish have been widely intro- dorsal and caudal fins (Fig. 1). One species of aquatic animal commer- duced throughout the United States conspicuous characteristic of all cially cultured in the United States. and the world. catfish is the presence of barbels It belongs to the family Ictaluridae, around the mouth. The barbels are order Siluriformes. Members of the Physical characteristics arranged in a definite pattern with order Siluriformes are found in fresh Like all native North American cat- four under the jaw and one on each and salt water worldwide. There are fishes, a channel catfish has a body tip of the maxilla (upper jaw). at least 39 species of catfish in North that is cylindrical in cross-section, America, but only six have been cul- and lacks scales. Fins are soft-rayed The channel catfish is the only tured or have potential for commer- except for the dorsal and pectoral spotted North American catfish with cial production. They are the blue fins which have sharp, hard spines a deeply forked tail. There are 24-29 catfish, Ictalurus furcatus (LeSueur); that can inflict a nasty, painful rays in the anal fin. They are general- the white catfish, Ictalurus catus wound if a catfish is handled care- ly olivaceous to blue on the back, (Linnaeus); the black bullhead, Ic- lessly. -
A White Paper on the Status and Needs of Largemouth Bass Culture in the North Central Region
A WHITE PAPER ON THE STATUS AND NEEDS OF LARGEMOUTH BASS CULTURE IN THE NORTH CENTRAL REGION Prepared by Roy C. Heidinger Fisheries and Illinois Aquaculture Center Southern Illinois University-Carbondale for the North Central Regional Aquaculture Center Current Draft as of March 29, 2000 TABLE OF CONTENTS INTRODUCTION AND JUSTIFICATION OF THE DOCUMENT ....................2 CURRENT STATUS OF THE INDUSTRY ........................................2 Markets ...................................................................2 Supply/Demand ..........................................................2 Legality ...................................................................3 BIOLOGY/AQUACULTURE TECHNOLOGY .....................................3 Biology ...................................................................4 Culture ....................................................................4 Brood Stock ............................................................4 Fry and Fingerling Production ................................................5 Diseases and Pests ........................................................6 Water Quality, Handling, and Transport ........................................7 CRITICAL LIMITING FACTORS AND RECOMMENDATIONS ....................7 Nutrition ..................................................................7 Production Densities ..........................................................8 Marketing .................................................................8 Diseases ..................................................................8 -
Sandies, Hybrids Hot Bites
Hunting Texas Special section inside * August 8, 2008 Texas’ Premier Outdoor Newspaper Volume 4, Issue 24 * Hunting Annual 2008 www.lonestaroutdoornews.com INSIDE HUNTING Sandies, hybrids hot bites Schools keep anglers in class The Texas Animal Health Commission approved new BY CRAIG NYHUS rules permitting the transport of male hogs to Summer means hot white bass and hybrid striped authorized game ranches bass action at many Texas lakes, and North Texas without requiring blood lakes like Lake Ray Hubbard, Ray Roberts, Lewisville tests for swine disease. and Richland Chambers lead the way for many. Page 6 Gary Goldsmith, a retired principal, fished Lewisville Lake with Art Kenney and Michael The U.S. Fish and Wildlife Anderson. “We caught and released more than 100 Service approved liberal sand bass reaching the 2-pound mark,” Goldsmith waterfowl limits for the said. “With 30 minutes of daylight left we went to an 2008-2009 season. area called Queen’s Point for hybrids. As soon as we Page 7 started the bite was on — we caught 20 more fish at that spot.” FISHING The group was fishing Lead Babies Slabs in 18 feet of water. “It’s best to keep them as close to the bottom as possible when fishing for hybrids,” Goldsmith said. East Texas lakes find crappie fishermen switching gears to chase sandies when the crappie bite slows. West Texas reservoirs see the whites hitting on top. And in the Hill Country, the Highland Lakes often get hot. “All of the fish are on the main lakes,” said Joe Bray, who guides on several Hill Country lakes. -
The Koi Herpesvirus (Khv): an Alloherpesviru
Aquacu nd ltu a r e s e J Bergmann et al., Fish Aquac J 2016, 7:2 i o r u e r h n http://dx.doi.org/10.4172/2150-3508.1000169 s a i l F Fisheries and Aquaculture Journal ISSN: 2150-3508 ResearchResearch Artilce Article OpenOpen Access Access Is There Any Species Specificity in Infections with Aquatic Animal Herpesviruses?–The Koi Herpesvirus (KHV): An Alloherpesvirus Model Sven M Bergmann1*, Michael Cieslak1, Dieter Fichtner1, Juliane Dabels2, Sean J Monaghan3, Qing Wang4, Weiwei Zeng4 and Jolanta Kempter5 1FLI Insel Riems, Südufer 10, 17493 Greifswald-Insel Riems, Germany 2University of Rostock, Aquaculture and Sea Ranching, Justus-von-Liebig-Weg 6, Rostock 18059, Germany 3Aquatic Vaccine Unit, Institute of Aquaculture, School of Natural Sciences, University of Stirling, Stirling, FK9 4LA, UK 4Pearl-River Fisheries Research Institute, Xo. 1 Xingyu Reoad, Liwan District, Guangzhou 510380, P. R. of China 5West Pomeranian Technical University, Aquaculture, K. Królewicza 4, 71-550, Szczecin, Poland Abstract Most diseases induced by herpesviruses are host-specific; however, exceptions exist within the family Alloherpesviridae. Most members of the Alloherpesviridae are detected in at least two different species, with and without clinical signs of a disease. In the current study the Koi herpesvirus (KHV) was used as a model member of the Alloherpesviridae and rainbow trout as a model salmonid host, which were infected with KHV by immersion. KHV was detected using direct methods (qPCR and semi-nested PCR) and indirect (enzyme-linked immunosorbant assay; ELISA, serum neutralization test; SNT). The non-koi herpesvirus disease (KHVD)-susceptible salmonid fish were demonstrated to transfer KHV to naïve carp at two different temperatures including a temperature most suitable for the salmonid (15°C) and cyprinid (20°C). -
Judge Tosses Annexation
Project1:Layout 1 6/10/2014 1:13 PM Page 1 Tennis: Back at Wimbledon, Coco Gauff advances /B1 FRIDAY TOD AY C I T R U S C O U N T Y & nex t m orning HIGH 88 P a r t l y u n n y ; LOW n u m e r o u s s h o w e r s , t o r m s . 72 PAGE A4 w w w.chronicleonline.com JULY 2, 2021 Florida’s Best Community Newspaper Serving Florida’s Best Community $1 VOL. 126 ISSUE 268 NEWS BRIEFS Judge tosses annexation Citrus gov’t offices closed July 5 Lakeside property had been at the center of a dispute between city, county C t r u s C u n t y o v e r n - MIKE WRIGHT Circuit Judge Peter RV Resort is planned for mile east of the city limits Brigham said the Eden m e n t f f i c e s i l l e Staff writer Brigham said in his ruling the 234-acre property. on State Road 44. property is “geographi- c l o s e d o n d a y , u l y , n that the city violated state Brigham agreed with “Simply put, the city cally isolated” from the o b s e r v a n c e f I d e p e n - A judge has sided with law by allowing the the county’s argument and the NH parcel do not city that would create a d e n c e D y . -
Page 1 F Fish Pathology, 46 (3), 87–90, 2011. 9 © 2011 the Japanese
魚病研究 Fish Pathology, 46 (3), 87–90, 2011. 9 © 2011 The Japanese Society of Fish Pathology Blood Fluke Infection of Cage 2 to 10 months (average of 6 months) fed with highly fat content fish, mainly chub mackerel Scomber japonicus, R eared Atlantic Bluefin Tuna A tla n tic mackerel S c o mber scombru s , European pil- Thunnus thynnus in chard C lupea pilchartus and round sardinella S a rd in e lla aurita. After this period, tunas are sacrificed in the Wes t Mediterranean floating cages a n d immediately commercialized fresh or frozen. R ocio Ruiz de Ybañez1, José Peñalver2, Among pathological problems reported in reared C arlos Martínez-Carrasco1, Laura del Río1, tuna, a blood fluke Cardicola forsteri (Digenea: 2 1 Aporocotylidae), has been pointed out as a significant Emilio María Dolores , Eduardo Berriatua risk of tuna health1). Initially identified in the Australian 1 and Pilar Muñoz * population of farmed southern BFT Thunnus maccoyii 2), this blood fluke was later reported in Atlantic BFT3–5), 1 Animal Health Department, University of Murcia, being the only one aporocotylid repo rte d s o fa r in th is Murcia 30100, Spain 2 species. Aporocotylids are parasites of marine and Livestock and Fishery Departmen t, Murcia 6) fre s h wate r fis h . Most species are located in the R egional Gov e rn men t, Murcia 30201, heart, bulbus arteriosus, ventral aorta or branchial ves- S p a in sels, although the cephalic or dorsal vessels are not uncommon habitats7). Once established, adult flukes (Recieved November 24, 2010) lay eggs whic h tra v e l to th e g ills where they lodge. -
SPORT FISH of OHIO Identification DIVISION of WILDLIFE
SPORT FISH OF OHIO identification DIVISION OF WILDLIFE 1 With more than 40,000 miles of streams, 2.4 million acres of Lake Erie and inland water, and 450 miles of the Ohio River, Ohio supports a diverse and abundant fish fauna represented by more than 160 species. Ohio’s fishes come in a wide range of sizes, shapes and colors...and live in a variety of aquatic habitats from our largest lakes and rivers to the smallest ponds and creeks. Approximately one-third of these species can be found in this guide. This fish identification guide provides color illustrations to help anglers identify their catch, and useful tips to help catch more fish. We hope it will also increase your awareness of the diversity of fishes in Ohio. This book also gives information about the life history of 27 of Ohio’s commonly caught species, as well as information on selected threatened and endangered species. Color illustrations and names are also offered for 20 additional species, many of which are rarely caught by anglers, but are quite common throughout Ohio. Fishing is a favorite pastime of many Ohioans and one of the most enduring family traditions. A first fish or day shared on the water are memories that last a lifetime. It is our sincere hope that the information in this guide will contribute significantly to your fishing experiences and understanding of Ohio’s fishes. Good Fishing! The ODNR Division of Wildlife manages the fisheries of more than 160,000 acres of inland water, 7,000 miles of streams, and 2.25 million acres of Lake Erie. -
Fish Inventory at Stones River National Battlefield
Fish Inventory at Stones River National Battlefield Submitted to: Department of the Interior National Park Service Cumberland Piedmont Network By Dennis Mullen Professor of Biology Department of Biology Middle Tennessee State University Murfreesboro, TN 37132 September 2006 Striped Shiner (Luxilus chrysocephalus) – nuptial male From Lytle Creek at Fortress Rosecrans Photograph by D. Mullen Table of Contents List of Tables……………………………………………………………………….iii List of Figures………………………………………………………………………iv List of Appendices…………………………………………………………………..v Executive Summary…………………………………………………………………1 Introduction…………………………………………………………………...……..2 Methods……………………………………………………………………………...3 Results……………………………………………………………………………….7 Discussion………………………………………………………………………….10 Conclusions………………………………………………………………………...14 Literature Cited…………………………………………………………………….15 ii List of Tables Table1: Location and physical characteristics (during September 2006, and only for the riverine sites) of sample sites for the STRI fish inventory………………………………17 Table 2: Biotic Integrity classes used in assessing fish communities along with general descriptions of their attributes (Karr et al. 1986) ………………………………………18 Table 3: List of fishes potentially occurring in aquatic habitats in and around Stones River National Battlefield………………………………………………………………..19 Table 4: Fish species list (by site) of aquatic habitats at STRI (October 2004 – August 2006). MF = McFadden’s Ford, KP = King Pond, RB = Redoubt Brannan, UP = Unnamed Pond at Redoubt Brannan, LC = Lytle Creek at Fortress Rosecrans……...….22 Table 5: Fish Species Richness estimates for the 3 riverine reaches of STRI and a composite estimate for STRI as a whole…………………………………………………24 Table 6: Index of Biotic Integrity (IBI) scores for three stream reaches at Stones River National Battlefield during August 2005………………………………………………...25 Table 7: Temperature and water chemistry of four of the STRI sample sites for each sampling date…………………………………………………………………………….26 Table 8 : Total length estimates of specific habitat types at each riverine sample site. -
Food Habits of the Southern Channel Catfish (Ictalurus Lacustris Punctatus)
FOOD IIABITS OF TIlE SOUTHERN CHANNEL CATFIStt (ICTALURUS LACUSTRIS PUNCTATUS) IN TItE DES MOINES R,IVER, 'IOWA t I•r:EVE M. BAILEY 2 Muse•,l, of Zoology, U•ffversity of Michigan,, Ann Arbor M•chigan AND H•u•¾ M. H•umso•, J•. Iowa State Co•servcttion(•ommissio,•, Des Moit•cs, Iowa .•BSTRACT The stmnaeh contents of 912 channel catfish (769 containing food) taken iu a short section of the Des Moines River from September, 1940, to October, 1911, are analyzed. The physical and biotic elmraeteristies of the study area are described; a partial list of the fishes present together xvith comments on their importance and relative abundance is included. The ehanuet eatfish is omnivorous, as is revealed by a review of the pertinent literature and by this study. A wide wtriety of organisms is eaten (some 50 families of insects alone are represented--these are listed). Insects and fish serve as staple foods, plant seeds are taken i• season, and various other items are eaten in limited numbers. The principal groups of foods (insects, fish, plants, and miscellaneous) are anMyzed volumetrically, by œrequeney of occurrence, and numerically. In the area studied, catfish grow at a rate of about 4 inches a year during the first 3 years of life (determined by length-frequency analysis). These natural size groups are utilized to establish the relationship between size and food habits. Young fish feed ahnost exclusively on aquatic insect larvae--chiefly midges, blackflies, mayflies, and enddis flies. In fish frmn 4 to 12 inches lo•g insects continue to make up the bulk of the food, but at progressively greater size larger insects (mayflies and caddis flies) are eaten with increasing frequency and dipterans are of less importonce than in the smaller size group; snmll fish and plant seeds become significant items of diet. -
Status Review and Management Outline for Quality Bluegill and Black Crappie Populations in the Grand Rapids Area
Status Review and Management Outline for Quality Bluegill and Black Crappie Populations in the Grand Rapids Area. Revised in 2013 By David L. Weitzel Assistant Area Fisheries Supervisor MN DNR, Grand Rapids Area Fisheries Table of Contents Introduction .................................................................................................................................................. 3 Bass Lake ....................................................................................................................................................... 5 Blackwater, Jay Gould, and Little Jay Gould lakes ...................................................................................... 10 Cut Foot and Little Cut Foot Sioux lakes ..................................................................................................... 18 Deer, Pickerel, and Battle lakes .................................................................................................................. 23 Dixon Lake ................................................................................................................................................... 31 Grave Lake ................................................................................................................................................... 37 Split Hand and Little Split Hand Lakes ........................................................................................................ 41 Sand Lake ................................................................................................................................................... -
Invasive Catfish Management Strategy August 2020
Invasive Catfish Management Strategy August 2020 A team from the Virginia Department of Game and Inland Fisheries uses electrofishing to monitor invasive blue catfish in the James River in 2011. (Photo by Matt Rath/Chesapeake Bay Program) I. Introduction This management strategy portrays the outcomes of an interactive workshop (2020 Invasive Catfish Workshop) held by the Invasive Catfish Workgroup at the Virginia Commonwealth University (VCU) Rice Rivers Center in Charles City, Virginia on January 29-30, 2020. The workshop convened a diverse group of stakeholders to share the current scientific understanding and priority issues associated with invasive catfishes in Chesapeake Bay. The perspectives shared and insights gained from the workshop were used to develop practical, synergistic recommendations that will improve management and mitigate impacts of these species across jurisdictions within the watershed. Blue catfish (Ictalurus furcatus) and flathead catfish (Pylodictis olivaris) are native to the Ohio, Missouri, Mississippi, and Rio Grande river basins, and were introduced into the Virginia tributaries of Chesapeake Bay in the 1960s and 1970s to establish a recreational fishery. These non-native species have since spread, inhabiting nearly all major tributaries of the Bay watershed. Rapid range expansion and population growth, particularly of blue catfish, have led to increasing concerns about impacts on the ecology of the Chesapeake Bay ecosystem. 1 Chesapeake Bay Management Strategy Invasive Catfish Blue and flathead catfishes are long-lived species that can negatively impact native species in Chesapeake Bay through predation and resource competition. Blue catfish are generalist feeders that prey on a wide variety of species that are locally abundant, including those of economic importance and conservation concern, such as blue crabs, alosines, Atlantic menhaden, American eels, and bay anchovy. -
Tennessee Fish Species
The Angler’s Guide To TennesseeIncluding Aquatic Nuisance SpeciesFish Published by the Tennessee Wildlife Resources Agency Cover photograph Paul Shaw Graphics Designer Raleigh Holtam Thanks to the TWRA Fisheries Staff for their review and contributions to this publication. Special thanks to those that provided pictures for use in this publication. Partial funding of this publication was provided by a grant from the United States Fish & Wildlife Service through the Aquatic Nuisance Species Task Force. Tennessee Wildlife Resources Agency Authorization No. 328898, 58,500 copies, January, 2012. This public document was promulgated at a cost of $.42 per copy. Equal opportunity to participate in and benefit from programs of the Tennessee Wildlife Resources Agency is available to all persons without regard to their race, color, national origin, sex, age, dis- ability, or military service. TWRA is also an equal opportunity/equal access employer. Questions should be directed to TWRA, Human Resources Office, P.O. Box 40747, Nashville, TN 37204, (615) 781-6594 (TDD 781-6691), or to the U.S. Fish and Wildlife Service, Office for Human Resources, 4401 N. Fairfax Dr., Arlington, VA 22203. Contents Introduction ...............................................................................1 About Fish ..................................................................................2 Black Bass ...................................................................................3 Crappie ........................................................................................7