The spiny dogfish has dorsal fins, no anal fin, and white spot along its back. The caudal fin has asymmetrical lobes, forming a heterocercal tail. The species name acanthias refers to the shark's two spines. The… Meer weergeven

Spiny dogfish are sold as food in Europe, the United States, Canada, New Zealand, Venezuela and Chile. The meat is primarily eaten in England, France, Italy, the Benelux countries, Germany, and as an unwitting hou… Meer weergeven

Once the most abundant shark species in the world, populations of Squalus acanthias have declined significantly. They are classified in the IUCN Red List of threatened species as Vulnerable globally and Critically end… Meer weergeven

Squalus acanthias fossils are known from the Miocene of Denmark and the Netherlands, dating from approximately 11 million years ago. As with other cartilaginous fish, the fossil record of Squa… Meer weergeven

• Sharks portal
• Spiny dogfish at Animal Diversity Web
• "Squalus acanthias". Integrated Taxonomic Information System. Retrieved 24 January 2006.… Meer weergeven