Nature By NameSign inCreate an account

Other animals › Dogfish Sharks

Spiny Dogfish

Squalus acanthias

Learn Spiny Dogfish freeHow it works
Wildlife study photograph from iNaturalist.
(c) linknz, some rights reserved (CC BY-NC)

28 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

See all photosAdd a photo

Photos you add are credited to you, and you keep the copyright.

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Alaska.January 4,943, February 3,651, March 5,720, April 8,999, May 12,975, June 14,149, July 15,140, August 13,021, September 9,559, October 7,135, November 3,899, December 3,047.
United States124,139
Alaska102,240
Canada77,257
Nova Scotia32,459
New Brunswick22,850
Quebec17,373
Maine16,465
British Columbia3,577
Massachusetts1,432
Newfoundland and Labrador912

Counts show where people looked, not only where it lives.

Classification

KingdomAnimals · Animalia
PhylumChordates · Chordata
ClassCartilaginous Fishes · Chondrichthyes
OrderSqualiform Sharks · Squaliformes
FamilyDogfish Sharks · Squalidae
GenusSpurdogs · Squalus

Sources

Remember the name next time.

Practise Spiny Dogfish with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

Create a free accountHow it works