Dogfish
The most widely known species is Squaluas acanthias,
called the spiny dogfish, spurdog, or skittle dog. It is abundant along
northern Atlantic and Pacific coasts; a closely related, if not
identical, form inhabits the southern half of the world. The spiny
dogfish is gray, with white spots, and is about 60 to 120 cm (2 to 4
feet) long. Often found in dense schools, it preys on fishes and various
invertebrates. It is often a nuisance, as it takes baits and damages
fishing nets, but it is edible and also yields liver oil and is ground
for fertilizer. Its dorsal fin spines are associated with small venom glands and can cause painful wounds.
Dogfish
Dogfish
Dogfish
Dogfish
Dogfish
Dogfish
Dogfish
Dogfish
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