Hall of Ocean Extinction

Confirming extinction in the ocean is difficult, and my researched list is here. To help you visualize that list, below are photos collected to represent each species.

Please realize that this list of 19 represents only extinctions confirmed by science, and there are likely hundreds of unrecorded extinctions. Still, it is worth seeing some of what we have lost.

1. Steller’s Sea Cow (click for funny video)

MSU V2P1a - Hydrodamalis gigas painting.png
Extinct 1768  (Wikipedia)

2. Sea Mink

Extinct 1860  (http://animaladay.blogspot.com/2011/06/sea-mink.html)

3. Caribbean Monk Seal

Cms-newyorkzoologicalsociety1910.jpg
Extinct 1952  (Wikipedia)

4. Japanese Sea Lion

Zalophus japonicus.JPG
Extinct 1950s  (Wikipedia)

5. New Zealand grayling

Prototroctes oxyrhynchus.jpg
Extinct 1930s  (Wikipedia)

6.Green Wrasse

(no image found; related species shown is Anampses elegant).

Extinction 2010, assumed but "data deficient."
Extinction 2010, assumed but “data deficient”  (Wikipedia)

7. Great Auk

Keulemans-GreatAuk.jpg
Extinct 1852  (Wikipedia)

8. Labrador Duck

Labrador Ducks AMNH.jpg
Extinct 1875  (Wikipedia)

9. Large St Helena Petrel (no representative images found)

Extinct 1500s  (http://overfishing.org)
Extinct 1500s  (http://overfishing.org)

10. Small St Helena Petrel  (no representative images found)

Extinct 1500s  (http://overfishing.org)
Extinct 1500s  (http://overfishing.org)

11. Pallas’s Cormorant

ExtbPallusCormorantovw.jpg
Extinct 1950s  (Wikipedia)

12. Auckland Islands Merganser

Auckland Islands Merganser.jpg
Extinct 1910  (Wikipedia)

13. Canary Islands Oystercatcher

Canarian Oystercatcher.jpg
Extinct 1940s  (Wikipedia)

14. Eelgrass limpet

Extinction date unknown  (http://www.sydneyshellclub.net)
Extinction date unknown (http://www.sydneyshellclub.net)

15. Rocky shore limpet (no image found; related species shown is Lottia atrata)

Collisella atrata 002.jpg
Extinct 1860s  (Wikipedia)

16. Periwinkle Littoraria flammea (no image found; related species shown is Littoraria cingulata)

Littoraria cingulata 002.jpg
Extinct 1840  (Wikipedia)

17. Horn Snail (no image found; related species shown is Cerithideopsilla djadjariensis)

Kawa-ai080623.jpg
Extinct 1935  (Wikipedia)

18. Bennett’s seaweed

Vanvoorstia bennettiana.jpg
Extinct 1890s  (Wikipedia)

19. Turkish towel algae (no image found; related species shown is Gigartina serrata) 

Extinction date unknown  (http://ucjeps.berkeley.edu)
Extinction date unknown (http://ucjeps.berkeley.edu)

20. Most likely next extinction in ocean: a limpet

Represented by Diodora italica

Diodoraitalica.jpg
Survival TBD

Diodoraitalica” by Wilson44691Own work. Licensed under Public domain via Wikimedia Commons.

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