Sharks, Skates, Rays and Chimeras of British Columbia

Sharks, Skates, Rays and Chimeras of British Columbia

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Overview

Much fear of sharks is driven by media reports or films that sensationalize shark attacks, despite the rarity of such occurrences. With contributors ranging from Briony Penn to David Suzuki, Gary Geddes and Michael Nicoll Yahgulanaas, this collection provides the most accurate and up-to-date information on chondrichthyans in British Columbia waters, including detailed species descriptions and identification information. Sharks, Skates, Rays and Chimeras of British Columbia presents sharks and their relatives as valuable members of our coastal fish community, worthy of respect, study, admiration, and protection.

Product Details

ISBN-13: 9780772673350
Publisher: The Royal British Columbia Museum
Publication date: 05/29/2020
Series: Royal BC Museum Handbook Series
Edition description: None
Pages: 232
Sales rank: 1,261,646
Product dimensions: 5.50(w) x 8.40(h) x 0.50(d)

About the Author

Gordon McFarlane is a scientist emeritus at the Pacific Biological Station. Dr. Jackie King is a research scientist with Fisheries and Oceans Canada at the Pacific Biological Station in Nanaimo, BC. Andy Murch is the CEO and expedition leader at Big Fish Expeditions.

Table of Contents

Foreword Gavin Hanke ix

Preface xi

Biology 1

What are chondrichthyans? 1

Taxonomy 1

Morphology 3

Reproductive biology 4

Role in the ecosystem 6

Conservation and Management in British Columbia 9

Conservation 9

Management 12

Fisheries 15

Global catch statistics 15

BC fisheries 16

Difficulty in assessing stock status 19

Research in British Columbia 21

How do we study elasmobranchs? 21

Age determination 21

Species distribution 25

Feeding studies 28

Citizen science 29

From Feared and Loathed to Loved 31

Changing attitudes…from destruction to conservation 31

Ecotourism 33

Challenges for the Future 35

Key to the Species 37

Species Descriptions 45

Sharks 47

Order Hexanchiformes (Cow sharks and frill sharks) 49

Bluntnose sixgill shark (Hexanchus griseus) 51

Broadnose sevengill shark (Notorynchus cepedianus) 55

Order Squaliformes (Dogfish sharks) 59

Pacific spiny dogfish (Squalus suckleyi) 61

Pacific sleeper shark (Somniosus pacificus) 67

Lanternsharks (Etmopteridae) 71

Order Squatiniformes (Angel sharks) 73

Pacific angel shark (Squatina californica) 75

Order Lamniformes (Mackerel sharks) 79

Great white shark (Carcharodon carcharias) 81

Shortfin mako shark (Isurus oxyrinchus) 85

Salmon shark (Lamna ditropis) 87

Basking shark (Cetorhinus maximus) 91

Common thresher shark (Aiopios vulpinus) 97

Order Carcharhiniformes (Ground sharks) 99

Brown catshark (Apristurus brunneus) 101

Tope (soupfin) shark (Galeorhinus galeus) 103

Blue shark (Prionace glauca) 107

Smooth hammerhead shark (Sphyrna zygaena) 111

Skates and Rays 115

Order Rajiformes (Skates and rays) 117

Deepsea skate (Bathyraja abyssicola) 123

Aleutian skate (Bathyraja aleutica) 125

Sandpaper skate (Bathyraja kincaidii) 127

Fine-spined skate (Bathyraja microtrachys) 131

Bering skate (Bathyraja interrupta) 133

Roughfail skate (Bathyraja trachura) 135

Alaska skate (Bathyraja parmifera) 137

Commander skate (Bathyraja lindbergi) 141

Whitebrow skate (Bathyraja minispinosa) 143

Pacific white skate (Bathyraja spinosissima) 145

Broad skate (Ambiyraja badia) 147

Big skate (Beringraja binoculata) 149

Longnose skate (Raja rhina) 153

Starry skate (Raja stellulata) 157

California skate (Raja inornata) 161

Pacific torpedo (electric) ray (Tefronarce californica) 163

Pelagic stingray (Pteroplatytrygon violacea) 167

Chimeras 171

Order Chimaenformes (Chimeras) 173

White-spotted raffish (Hydrolagus colliei) 175

Glossary 179

Bibliography 191

Credits 205

Index 207

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