The Sharks of North American WatersFor many years, brief encounters between sharks and humans could leave the latter with a vivid memory of the much-maligned fish but no convenient means of identifying it more specifically. With the publication of The Sharks of North American Waters in 1983, everyone from the experienced ichthyologist to the weekend angler had access to concise descriptions and accurate, detailed drawings in this handy field guide to more than one hundred species. All species that have been reported within five hundred nautical miles of U.S. and Canadian shores (plus a few deep-water species from adjacent areas) are illustrated, with summaries of diagnostic characteristics, similar species, geographic range, biology, reproduction, utility, and fishing methods. An illustrated key to the families of sharks, family descriptions, and species characteristics makes field identification simple. Also included is a general account of the evolution of sharks, their anatomy, reproduction, and distribution. |
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anal fin Atlantic Average bait basking shark Bigelow and Schroeder BIOLOGY birth brown catshark caudal fin caught in deep-water central cusp coast Compagno cusps D'Aubrey deep water deep-water trawls depths dermal denticles DESCRIPTION Development is ovoviviparous Development is viviparous dorsal fin originating dusky dusky shark eggs embryos fathoms feeds females fisheries Florida free rear tips Garrick gill slits gray grayish Gulf of California Gulf of Mexico hammerhead head interdorsal ridge Kistnasamy known lack Litters lobe longlines lower teeth Males mouth notch oblique cusps Ocean oviparous ovoviviparous Pacific pectoral fins pelvic fins posterior prey pups measure RANGE REFERENCES RELATION reported REPRODUCTION requiem sharks Schroeder 1948 second dorsal fin serrated edges shark inhabits shark is characterized side SIMILAR SPECIES small fishes small shark smooth-edged cusps smoothhound snout specimens Sphyrna spine spiny dogfish spiracle spots Springer squid Teeth number triangular undersides upper teeth usually viviparous white shark ΜΑΝ