The spiny dogfish shark is the most abundant shark. This small shark is also known as the piked dogfish, skittledog, spotted dogfish, white-spotted dogfish, codshark, and thorndog. Its dorsal fin has spines that are mildly poisonous. More
The dogfish sharks are classified in the phylum Chordata, subphylum Vertebrata, class Chondrichthyes, order Selachii. More
Fertilization in the dogfish shark is internal. During copulation, one of the claspers is inserted into the oviduct orifice of the female. The sperm proceed from the cloaca of the male along the groove on the dorsal surface of the clasper into the female. More
Dogfish shark is sometimes used as a substitute for cod in fish and chips and is sold as “rock". More
Dogfish sharks are characterized by smooth dorsal fin spines, teeth in upper and lower jaws similar in size. The spiny dogfish or piked dogfish is a type of small shark and one of the best known of the dogfish. More
Dogfish sharks are the second largest of shark orders with 128 species. Dogfish are highly diverse. More
spiny dogfish shark photo(Squalus acanthias), has a sharp, mildly venomous spine in front of each dorsal fin. More
Cat shark and Dogfish shark meat drying in Cudilero, Spain. August 2007 More
the dogfish shark in the American Museum of Natural History's Ichthyology Laboratory. More
The Dogfish Shark has the greatest population of any shark in the world. Because it is the most common shark, it is also the most well-known to people who live near oceans. It is one of the few sharks processed by commercial fisheries. More
the amount of spiny dogfish shark in the ocean. Scientists cannot collect and weigh every single shark to determine biomass, so they use models to estimate it instead. More
dogfish shark has a rounded lower caudal lobe and its dorsal fins are considerably more pointed. More