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Introduction

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.

If you enjoy Walrus Network, please consider supporting the site via a small one-time or monthly recurring donation. Your kindness and generosity will better enable me to continue keeping this informational resource online and up-to-date. For further information, please visit the Donate page. I sincerely thank you.

Annual Overview

There are approximately 140 walruses currently living across 56 facilities and 13 countries in 2022. More information and statistics on the captive walrus population will soon be provided on a separate section of this site.

Captures

To the best of my knowledge, no walruses have been collected from the wild in 2022.

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

Deaths

At least 7 walruses have 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

At this time 7 walruses have been 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

Pregnancies

At least 2 walruses are pregnant or have delivered calves in 2022.

  1. Petruska · Pairi Daiza · deceased

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

Transfers

At least 14 walruses have been transferred 17 times in 2022.

  1. Izumi · Oita → Toba · Jan-13

  2. Himawari · Ise → Minamichita · Feb-16

  3. Izumi · Toba → Oita · Feb-21

  4. Bubu · Oita → Toba · Mar-07

  5. Himawari · Minamichita → Ise · Mar-18

  6. Bubu · Toba → Oita · Apr-25

  7. unknown · unk → Hangzhou · unk

  8. unknown · Xi'an → Hangzhou · unk

  9. Wuma · Fushun → Harbin · unk

  10. Gelusha · Fushun → Harbin · unk

  11. Anna · Quancheng → Xuzhou · Sep

  12. Lisha · Quancheng → Xuzhou · Sep

  13. Lakina · Quebec → Washington · Nov-16

  14. Balzak · Quebec → Washington · Nov-16

  15. Rouzi · unknown → Moscow · unk

  16. Nova · unknown → Moscow · unk

  17. Ninotska · Brugelette → Hamburg · Nov

Walrus Network, 2014 - 2022