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Thank you for visiting Walrus Network, a record-keeping initiative for captive walruses that began in 2014. I am deeply grateful to the parks and people who have helped me maintain these records as completely and accurately as possible. Please contact me to report any missing or inaccurate information, or feel free to send any questions or comments you may have about captive walruses or this site.

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Annual Overview

There are approximately 140 walruses currently living across 55 facilities and 13 countries in 2023. More information and statistics on the captive walrus population will soon be provided on a separate section of this site.


To the best of my knowledge, no walruses have been collected from the wild in 2023.

The last known capture events took place in 2018:

  1. Srednyaya Six [a, b, c, d, e, f] · Center for the Adaptation of Marine Mammals · 2018-Oct-14


To the best of my knowledge, no walruses have died in 2023.

At least 7 walruses passed away at 4 facilities in 2022:

  1. unknown · Pairi Daiza · May-04

  2. Petruska · Pairi Daiza · May-04

  3. Sakura · Minamichita Beach Land · Jun-03

  4. Kuu · Toba Aquarium · Jun-16

  5. unknown · Toba Aquarium · Jun-16

  6. unknown · Toba Aquarium · Jun-16

  7. Olga · Dolfinarium Harderwijk · Oct-18

Lost to follow-up

No walruses have been listed as lost to follow-up in 2023.

A total of 7 walruses were transitioned to unknown status in 2022:

  1. Huanhuan · last sighted 2020-Jan-24 at Sanya Haichang Fantasy Town

  2. Nastya · last sighted 2020-Feb-16 at Yaroslavl Dolphinarium

  3. Antonina · last sighted 2020-Mar-01 at Gelendzhik Dolphinarium

  4. Nyusha · last sighted 2020-Mar-17 at NEMO Anapa Dolphinarium

  5. unknown · last sighted 2021-Sep-15 at Moscow Zoo

  6. unknown · last sighted 2021-Sep-15 at Moscow Zoo

  7. Dabao · last sighted 2020-Oct-12 at Dalian Laohutan Ocean Park


To the best of my knowledge, no walruses are currently confirmed to be pregnant in 2023.

At least 2 walruses delivered calves in 2022:

  1. Petruska · Pairi Daiza · deceased

  2. Kuu · Toba Aquarium · twins, deceased [A, B]


At least 1 walrus has been transferred 1 time in 2023.

  1. Izumi · OitaToba · Jan-17

Walrus Network, 2014 - 2023