Flora and Fauna
- 8681
- Cartilaginous Fishes: Class Chondrichthyes
- The most distinctive feature of this class is that their entire skeleton, including the skull, is cartilaginous without any true bone. The class include the sharks and rays, many of which are described here.
- 8682
- Chondrichthyes
- Wikipedia article on this class of cartilaginous fish, their anatomy, biology and taxonomy.
- 8683
- GoldenStateImages - Sharks of the California Coast
- Photography of sharks found off the California coast includes blue shark, and mako shark.
- 8684
- Infoplease - Sharks!
- Myths, facts, and statistics, how to avoid a shark attack, and the shark hall of fame.
- 8685
- Shark
- Wikipedia provides a great deal of information about sharks, their biology and classification, accompanied by photographs and diagrams.
- 8687
- Shark Research Committee
- Research of North America's Pacific Coast sharks, including White Shark (Carcharodon carcharias) diet, distribution, behavior, encounters, and attacks.
- 8688
- Swell Shark: Cephaloscyllium ventriosum
- Photograph of an embryo of this species developing inside its “mermaid purse” egg case.
- 8689
- Torpedoes, Skates and Rays: Order Batoidei
- Characteristics of these fish in the subclass Elasmobranchii, which includes the Torpedoes, Skates, Sting Rays and Devil Rays.
- 8690
- Electric Ray
- Article from Wikipedia on these fish, order Torpediniformes, which includes just two families, Narcinidae and Torpedinidae.
- 8691
- Torpedo: Torpedo nobiliana
- Illustration and description of this species, its habits and its general range in the North Atlantic.
- 8692
- Angel Shark: Squatina squatina
- Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.
- 8693
- Angel sharks
- Information from Wikipedia on the anatomical features that distinguish members of the order Squatiniformes.
- 8694
- Black Dogfish: Centroscyllium fabricii
- Drawing of this small species and its teeth, its description and information on its range.
- 8695
- Bramble Shark: Echinorhinus brucus
- Also called the spiny shark, this species is named for the thorn-like scales on its back. Drawing and information.
- 8697
- Greenland Shark: Somniosus microcephalus
- Sometimes known as the sleeper, gurry or ground shark, a drawing of this species, its description, habits and range.
- 8698
- Portuguese Shark: Centroscymnus coelolepis
- Drawing of this species, its description and information on its habits and range.