Freshwater fish are one of the most diverse groups of vertebrates, but are also amongst the most threatened. With contributions from leaders in the field, this is the first assessment of the global state of freshwater fish diversity, synthesising the opportunities, challenges and barriers facing the conservation of freshwater fish biodiversity. The book includes the first global assessment of the number, type and distribution of threatened freshwater fish species, discussing the features of freshwater fish biology and ecology that render so many species vulnerable to extinction. Introductory chapters on why freshwater fish are so sensitive to environmental change and disturbance lead into chapters providing detailed reviews of the key threatening processes and potential solutions. A concluding chapter summarises the key issues and looks to the future for opportunities and challenges for the conservation and management of freshwater fish.

For cognitive ecologists, fish biologists, animal behaviorists, and inquiring anglers. How and why do trout think? How do they decide where to eat and which food to eat? Why do they refuse to behave as predicted, stumping anglers by rejecting a larger fly for a smaller one or not responding at all to anything in an angler's box? How do trout know to bolt to one particular covered area after being hooked or flushed? Why can trout smell better than humans but not remember as well? Citing the most recent scientific findings in a readily understandable form, Thomas C. Grubb, Jr. addresses these questions and more in The Mind of the Trout. It is the first book to bring together many varied concepts of cognitive ecology as applied to trout and their salmonid relatives: char, salmon, grayling, and whitefish.

This handy illustrated guide covers the ninety-one species of sharks, skates, and rays found in waters along the coasts of North Carolina and South Carolina. It will be an essential reference for shark enthusiasts, coastal residents, tourists, aquarium visitors, scientists, and anyone interested in these fascinating fish. In his introduction, Frank J. Schwartz provides a general explanation of the physical features of sharks, skates, and rays. He also discusses matters such as the possible causes of shark attacks, conservation concerns surrounding sport and commercial shark fishing, breeding habits, and shark fossils. Each species of shark, skate, and ray is shown in a clear illustration, accompanied by a concise description and notes on its color, size, distribution, and occurrence. A series of keys based on physical characteristics will aid readers in accurately identifying each species.

A home aquarium seems a peaceful place. Gazing at its inhabitants as they swim slowly through their small universe is a soothing, even hypnotic, experience. But this seeming tranquillity is only surface deep. Like their wild counterparts, these tiny, glittering beings exhibit a wide array of fascinating behaviors.Stephan Reebs provides a delightfully entertaining, yet scientifically grounded, look at what fishes do and how they do it. From defending their young, to seeking out the perfect sexual partner, to telling time, fishes display a variety of behaviors that may not be readily apparent to the casual observer. Reebs not only describes the behaviors, but also outlines simple experiments that can be performed by observers wishing to learn for themselves just how resourceful and bizarre these creatures can be.How Fish Behave introduces us to damselfishes that sing like birds, elephantfishes that communicate electrically, and sticklebacks that deceive other fish into believing they have found food. Drawing on the experimental evidence behind such intrinsically interesting responses, Reebs demonstrates how science is conducted in the field of animal behavior."

Michael Muller has carved a career out of impressive encounters. Famed for his portraits of the world's most elite actors, musicians, and sports stars, he has in the last decade built up one of the most spectacular portfolios of underwater shark photography. Muller's quest is to document sharks with an unprecedented proximity and precision, bringing the Hollywood portrait session to the ocean predator. In ocean depths around the world, he approaches the sharks with a patented seven-bulb, 1200-watt plexi-encased strobe lighting rig, developed with NASA engineering, and no cage. This collection of Muller's images, including the first-known photograph of a great white breaching at night, is a catalog of adrenalin and awe. Arranged geographically, it follows Muller's ocean adventures from black tip and sand tiger sharks in South Africa to great hammerheads in the Bahamas, with thrilling narratives from each trip documenting the challenges and near-misses along the way. To compliment Muller's work for advocacy organizations such as WildAid and EarthEcho, the images are contextualized with essays from Philippe Cousteau, Jr. and marine biologist Alison Kock, who discuss exploration and conservation of our oceanic kingdom. Culture writer Arty Nelson adds an overview of Muller's work, while a technical section explains the precise equipment behind these spectacular shots. Together, these insightful texts and awesome images offer a record of breathtaking photographic feats, a tribute to the beauty and might of the shark, and a rallying cry for its fragile future. This book is also available in a signed Collector's Edition and two Art Editions, each including a signed and numbered print.

"This work is unique and especially important because it brings together, for the first time, information on the entire fish fauna of the Gulf of Mexico. Other volumes cover only subsets of Gulf fishes....This represents the most complete survey of the ichthyofauna of the Gulf of Mexico ever compiled." -- Philip A. Hastings, Research Scientist and Curator of Fishes and Invertebrates, University of Arizona

The Gulf of Mexico is the ninth largest body of water in the world and contains over 15 percent of all known species of marine fishes. This diverse fish fauna has been the subject of many publications, but, until now, no work has ever surveyed all known species, including the deep sea fishes and those of the southern Gulf.

This book is the first of two volumes that will cover the entire fish fauna of the Gulf of Mexico. An introductory section that outlines the Gulf's geographical setting, geological origin, current patterns, tides, sediments, meteorology, ecology, and biological exploration is followed by a key for the forty-four orders of fishes known from the Gulf. Keys and descriptions are provided for families, which are arranged phylogenetically, and for the species, which are arranged alphabetically, described, and distinguished from similar species. All but a few species are illustrated.

Volume 2 is tentatively scheduled for publication in early 2006.

The preeminent naturalists Albert Hazen Wright and Anna Allen Wright spent years assembling the wealth of material on frogs and toads appearing in this widely used handbook, the third edition of which was originally published in 1949. With abundant black-and-white photographs, colorful descriptions, journal notes from the field, and excerpts from the literature, their personalized natural history emphasizes amphibians observed in the wild. In a foreword to the 1995 paperback edition, Roy McDiarmid, a foremost specialist on frogs and toads, brings the book into historical perspective and supplies information to bring it up to date. Accounts of more than 100 species and subspecies cover such topics as common and scientific names, range, habitat, size, and general appearance, as well as color, structure, voice, and breeding. Separate keys are given for secondary sexual characteristics, eggs, tadpoles, families, and species. Generous quotations from the Wrights' field journals give the reader a sense of the problems and satisfactions of their work.

Who hasn't stopped along the banks of a stream to look for fish? Anyone who wants to enjoy fish in their own world will want this lavishly illustrated guide to a new kind of nature study. An expert whose passionate interest in fish is contagious, C. Lavett Smith is promoting a whole new outdoor pastime - fish watching. Designed to be used outside, the book opens with tips on where, when, and how to find and watch fishes in their natural habitats. Smith starts with hints for the beginner, and comments on equipment and ways of taking notes. He describes the major types of running and still waters, along with the kinds of fishes to be found in each. Nearly 200 drawings and photographs, thirty-six in color, illustrate the habitats and the fishes a watcher may see, and there are general accounts of the major groups of fishes found in the fresh waters of the United States and Canada. The central theme of the book is natural history: habitat selection, food and feeding habits, defense adaptations, and reproductive mechanisms. Smith describes habitats ranging from tiny headwater creeks to large rivers and estuaries. Food habits include straining plankton, cropping small insects, and feeding on other animals. He points out the reproductive specializations that watchers may often see - the development of special, sometimes brilliant breeding colors, the construction of nests, courtship rituals, and in a few cases parental care of the young. Vignettes describing Smith's adventures in the field add a special flavor to a charming book that will appeal to readers of all ages - including those who fish.

This book provides a comprehensive and up-to-date review of the ecology of coral reef fishes presented by top researchers from North America and Australia. Immense strides have been made over the past twenty years in our understanding of ecological systems in general and of reef fish ecology in particular. Many of the methodologies that reef fish ecologists use in their studies will be useful to a wider audience of ecologists for the design of their ecological studies. Significant among the impacts of the research on reef fish ecology are the development of nonequilibrium models of community organization, more emphasis on the role of recruitment variability in structuring local assemblages, the development and testing of evolutionary models of social organization and reproductive biology, and new insights into predator-prey and plant-herbivore interactions.

"An engrossing tale of obsession, adventure and scientific reasoning." —Betty Ann Kevles, Los Angeles Times

In the winter of 1938, a fishing boat by chance dragged from the Indian Ocean a fish thought extinct for 70 million years. It was a coelacanth, which thrived concurrently with dinosaurs and pterodactyls—an animal of major importance to those who study the history of vertebrate life.

Living Fossil describes the life and habitat of the coelcanth and what scientists have learned about it during fifty years of research. It is an exciting and very human story, filled with ambitious and brilliant people, that reveals much about the practice of modern science.

"Authoritative and eminently readable, deserving of a wide audience." —James D. Ebert, National Academy of Sciences

"[A] fanatastic fish story. . . . [Thomson] succesfully nags the reader's attention." —James Ferrell, New York Times Book Review

"One of the classic stories of zoology, told with uncommon authority and grace." —Edward O. Wilson, Harvard University

"A marvelous book describing the discovery of the coelacanth and its importance to evolutionary biology. . . . Fascinating reading for scientist and non-scientist alike." —George D. Langdon, president, American Museum of Natural History

"Moynihan s book is not merely an attractive and readable descriptive synthesis, but an acute commentary on the development of current theory, opening new areas and refreshingly examining cherished models." W. John Smith, University of Pennsylvania

This book summarizes the state of our knowledge about communication in cephalopods, including squids, cuttlefishes, octopuses, and related forms, and assesses the comparative and theoretical implications of what we know."

"Fishes of the Minnesota Region " was first published in 1982. Minnesota Archive Editions uses digital technology to make long-unavailable books once again accessible, and are published unaltered from the original University of Minnesota Press editions.

From Northern Pike to the Walleye, this is the definitive guide to all of Minnesota's 149 kinds of fishes. Illustrated with over 80 color photographs, this book will appeal to enthusiastic anglers as well as curious naturalists.

Along with a guide to identification, the authors cover habitat, distribution, conservation, and even some recipes. If you catch a fish from one of Minnesota's 10,000 lakes you'll find a description of it in this book.

Mullets (grey mullets) are a family (Mugilidae) and order of ray-finned fish found in temperate and tropical waters worldwide. There are approximately 80 species of mullet; these fish have been considered an important food source in Mediterranean Europe since Roman times. This book provides a long overdue update on the biology and ecology of mullets and features comprehensive coverage of the key features of the Mugilidae family, such as recent DNA evidence and morphological data that challenge the traditional taxonomy.

Over the last decade, the study of shark biology has benefited from the development, refinement, and rapid expansion of novel techniques and advances in technology. These have given new insight into the fields of shark genetics, feeding, foraging, bioenergetics, imaging, age and growth, movement, migration, habitat preference, and habitat use. This pioneering book, written by experts in shark biology, examines technologies such as autonomous vehicle tracking, underwater video approaches, molecular genetics techniques, and accelerometry, among many others. Each detailed chapter offers new insights and promises for future studies of elasmobranch biology, provides an overview of appropriate uses of each technique, and can be readily extended to other aquatic fish and marine mammals and reptiles. Including chapter authors who were pioneers in developing some of the technologies discussed in the book, this book serves as the first single-source reference with in-depth coverage of techniques appropriate for the laboratory and field study of sharks, skates, and rays. It concludes with a unique section on Citizen Science and its application to studies of shark biology. This is a must-read for any marine biologist or scientist working in the field of shark biology, as well as marine biology students and graduates.

For junior/senior-level courses in Fish Biology/Ecology, Ichthyology, and Fish Physiology.

One of the most comprehensive and current general sources of information on fishes, this text covers a broad number of topics such as including the structure and physiology, evolution, otaxanomy, zoogeography, ecology, and conservation of fishes. While providing the basic background of fish biology, the conservation approach and up-to-date coverage conveys the excitement being generated by recent research on fishes.

Marine fishes represent astonishing diversity with respect to practically every aspect of their biology. Reproductive modes and sexual patterns are especially fascinating and provide deep insight into general evolutionary problems. In this volume, chapters focus on reproduction and sexuality among groups of fishes defined by habitat, taxon, and the reproductive processes that are critical for reproductive success. The book illustrates how knowledge of reproductive biology among marine fishes can help identify vulnerable and potentially vulnerable species in the face of changing environmental conditions and increasing human-based pressures.

Fish are one of the most important global food sources, supplying a significant share of the world's protein consumption. From stocks of wild Alaskan salmon and North Sea cod to entire fish communities with myriad species, fisheries require careful management to ensure that stocks remain productive, and mathematical models are essential tools for doing so. Fish Ecology, Evolution, and Exploitation is an authoritative introduction to the modern size- and trait-based approach to fish populations and communities. Ken Andersen covers the theoretical foundations, mathematical formulations, and real-world applications of this powerful new modeling method, which is grounded in the latest ecological theory and population biology. He begins with fundamental assumptions on the level of individuals and goes on to cover population demography and fisheries impact assessments. He shows how size- and trait-based models shed new light on familiar fisheries concepts such as maximum sustainable yield and fisheries selectivity-insights that classic age-based theory can't provide-and develops novel evolutionary impacts of fishing. Andersen extends the theory to entire fish communities and uses it to support the ecosystem approach to fisheries management, and forges critical links between trait-based methods and evolutionary ecology. Accessible to ecologists with a basic quantitative background, this incisive book unifies the thinking in ecology and fisheries science and is an indispensable reference for anyone seeking to apply size- and trait-based models to fish demography, fisheries impact assessments, and fish evolutionary ecology.

A home aquarium seems a peaceful place. Gazing at its inhabitants as they swim slowly through their small universe is a soothing, even hypnotic, experience. But this seeming tranquillity is only surface deep. Like their wild counterparts, these tiny, glittering beings exhibit a wide array of fascinating behaviors.Stephan Reebs provides a delightfully entertaining, yet scientifically grounded, look at what fishes do and how they do it. From defending their young, to seeking out the perfect sexual partner, to telling time, fishes display a variety of behaviors that may not be readily apparent to the casual observer. Reebs not only describes the behaviors, but also outlines simple experiments that can be performed by observers wishing to learn for themselves just how resourceful and bizarre these creatures can be.How Fish Behave introduces us to damselfishes that sing like birds, elephantfishes that communicate electrically, and sticklebacks that deceive other fish into believing they have found food. Drawing on the experimental evidence behind such intrinsically interesting responses, Reebs demonstrates how science is conducted in the field of animal behavior."

Colin Speedie's new book takes us from swashbuckling hunts of giant sharks by reckless individuals with makeshift harpoons, through an age of mass slaughter, to the author's personal shark-tracking adventures in the name of conservation.There are few marine creatures as spectacular as the Basking Shark. At up to 11 metres in length and seven tonnes in weight, this colossal, plankton-feeding fish is one of the largest in the world, second only to the whale shark. Historically, Basking Sharks were a familiar sight in the northern hemisphere - off the coasts of Norway, Scotland, Ireland, Canada and the USA, for example. In an 18th Century world without electricity, they became the focus of active hunting for their huge livers containing large amounts of valuable oil, primarily used in lamps.Catch numbers were small enough to leave populations largely intact, but during the 20th Century a new breed of hunter joined the fray, some driven as much by a need for adventure as for financial gain. With improved equipment and experience, they exploited the shark on an industrial scale that drastically reduced numbers, leading to localised near-extinction in some areas.From the 1970's onward a new generation took to the seas, this time with conservation in mind to identify where the shark might still be found in the waters around the British Isles, employing new technologies to solve long-standing mysteries about the behaviour of this elusive creature. Using the best of both old and new research techniques, the case was built to justify the species becoming one of the most protected sharks in the oceans.Today, the Basking Shark is a much-loved cornerstone of our natural heritage. There are positive signs that the population has stabilised and may even be slowly recovering from the damage of the past, proving that timely conservation measures can be effective.Join us on a journey amidst wild seas, places, people and conservation history in the battle to protect this iconic creature - a true sea monster's tale.

This book puts emphasis on the isolation, taxonomy, diagnosis (phenotypic, serology and molecular biology), epizootiology, pathogenicity mechanisms, and methods of disease control (by vaccination, immunostimulation, probiotics, prebiotics, plant products, and antimicrobial compounds. Co-infections, which are attributed to more than one microbial species have been discussed. Shortcomings in knowledge have been highlighted. This sixth edition is the successor to the original version, first published in 1987, and which fills the need for an up-to-date comprehensive text on the biological aspects of the bacterial taxa which cause disease in finfish. The book is primarily targeted at researcher workers, including postgraduate students, and diagnosticians. It is anticipated that the readership will include veterinary microbiologists, public health scientists and microbial ecologists.