SmallWhale

Spiny Dogfish: The Little Shark with Big Spikes!

Meet the spiny dogfish, a small shark with pointy defenses that swims in oceans all around the world!

Images

Antique fish Squalus acanthias (NZ) : Spotted spiny dogfish draw

Antique fish Squalus acanthias (NZ) : Spotted spiny dogfish draw

openverse
Spiny Dogfish x 2
Spiny dogfish hokitika
곱상어, abura-tsunozame, aiguillat commun, aiguillat du pacifique, bái bān jiǎo shā, cazón espinoso común, dogfish, grayfish, k'aaxada, k'aaxada awga, pacific dogfish, pacific spiny dogfish, q'ad, spiny dogfish, spotted spiny dogfish, valgetähn-ogahai
곱상어, abura-tsunozame, aiguillat commun, aiguillat du pacifique, bái bān jiǎo shā, cazón espinoso común, dogfish, grayfish, k'aaxada, k'aaxada awga, pacific dogfish, pacific spiny dogfish, q'ad, spiny dogfish, spotted spiny dogfish, valgetähn-ogahai
곱상어, abura-tsunozame, aiguillat commun, aiguillat du pacifique, bái bān jiǎo shā, cazón espinoso común, dogfish, grayfish, k'aaxada, k'aaxada awga, pacific dogfish, pacific spiny dogfish, q'ad, spiny dogfish, spotted spiny dogfish, valgetähn-ogahai
곱상어, abura-tsunozame, aiguillat commun, aiguillat du pacifique, bái bān jiǎo shā, cazón espinoso común, dogfish, grayfish, k'aaxada, k'aaxada awga, pacific dogfish, pacific spiny dogfish, q'ad, spiny dogfish, spotted spiny dogfish, valgetähn-ogahai
곱상어, abura-tsunozame, aiguillat commun, aiguillat du pacifique, bái bān jiǎo shā, cazón espinoso común, dogfish, grayfish, k'aaxada, k'aaxada awga, pacific dogfish, pacific spiny dogfish, q'ad, spiny dogfish, spotted spiny dogfish, valgetähn-ogahai
Antique fish Spotted spiny Dogfish drawn by Fe. Clarke (1849-1899)
곱상어, abura-tsunozame, aiguillat commun, aiguillat du pacifique, bái bān jiǎo shā, cazón espinoso común, dogfish, grayfish, k'aaxada, k'aaxada awga, pacific dogfish, pacific spiny dogfish, q'ad, spiny dogfish, spotted spiny dogfish, valgetähn-ogahai
Pacific Spiny Dogfish Monterey Bay Aquarium
Bloody Spiny Dogfish

Key Facts

Scientific Name
Squalus acanthias.
Habitat
Oceans worldwide, in shallow and deep temperate waters.
Diet
Carnivore - eats small fish, squid, and crabs.
Size
Up to about 4 feet (1.2 meters) long, similar to a tall person's height.
Lifespan
Can live up to 25 years.
Conservation Status
Varies by region, but some populations are threatened.
Fun Fact
They have two sharp spines to protect themselves!

Who's That Shark? Meet the Spiny Dogfish!

Imagine a shark that's not super huge, but has a cool trick! The spiny dogfish is a type of shark that's pretty common. It has a special name, Squalus acanthias, which is its scientific name.

It's also called a spurdog or mud shark. These sharks are known for having two sharp spines, one in front of each of their two back fins. They don't have a fin on their belly like some other fish.

They like to swim in oceans that aren't too hot and aren't too cold, all over the planet!

Spiny Dogfish's Ocean Playground

Spiny dogfish love to explore! They can be found in oceans near the land, in shallow waters where sunlight can reach. But they also like to swim way out in the deep ocean, far from shore.

They live in oceans all around the world, especially in places where the water is just right – not too warm and not too cold. Think of them as world travelers, enjoying many different ocean homes. They are found in the Pacific Ocean, the Atlantic Ocean, and many other big bodies of water.

What's for Dinner? A Shark's Menu!

Spiny dogfish are carnivores, which means they love to eat meat! Their favorite snacks include small fish, squid, and even crabs. They are pretty good hunters and use their speed to catch their meals.

They often swim in groups, which helps them find food and stay safe. Imagine a whole bunch of these sharks working together to find yummy snacks in the ocean. They are important because they help keep the ocean's food web balanced by eating other sea creatures.

Spiny Dogfish's Super Spikes!

These sharks have a special defense! They have two sharp spines, one in front of each of their dorsal fins (those are the fins on their backs). These spines are like little swords that can poke anything trying to bother them.

They are not as big as some sharks, usually growing to be about as long as a grown-up is tall. They can live for a long time, sometimes as long as 25 years! That's longer than many kids are old!

Sadly, they are sometimes in danger because people catch too many of them.

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Based on content from Wikipedia · Licensed under CC BY-SA 4.0