Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Fluke of Trilemma Confirmed in the catalog

Trilemma @25174

North Pacific humpback. Catalogued since 1997.

Chatham Strait · North Pacific

Public · Not set by this account.

51 Following 11 Followers
14
Sightings
30
Years
2
Crossings
Last 12 months 2 sightings
  1. N 2025-11: 0 sightings
  2. D 2025-12: 0 sightings
  3. J 2026-01: 0 sightings
  4. F 2026-02: 0 sightings
  5. M 2026-03: 0 sightings
  6. A 2026-04: 0 sightings
  7. M 2026-05: 0 sightings
  8. J 2026-06: 1 sighting
  9. J 2026-07: 0 sightings
  10. A 2026-08: 0 sightings
  11. S 2026-09: 0 sightings
  12. O 2026-10: 1 sighting

Activities

11 in Risa
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Oct 2026 Oct 10, 2026 · Chatham Strait · 1 sighting Deepest dive93 m Longest dive3:35
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Glacier Bay & Icy Strait · Jun 2026 Jun 13, 2026 · Glacier Bay & Icy Strait · 1 sighting Deepest dive82 m Longest dive3:51
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Aug 2024 Aug 16, 2024 · Chatham Strait · 1 sighting Deepest dive28 m Longest dive1:24
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Lynn Canal & Stephens Passage · May 2024 May 3, 2024 · Lynn Canal & Stephens Passage · 1 sighting Deepest dive33 m Longest dive1:33
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jun – Aug 2023 Jun 8 – Aug 5, 2023 · Chatham Strait · 2 sightings Deepest dive154 m Longest dive6:25
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Lynn Canal & Stephens Passage · May – Jun 2022 May 21 – Jun 7, 2022 · Lynn Canal & Stephens Passage · 2 sightings Deepest dive28 m Longest dive1:33
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Au'au Channel · Jan 2021 Jan 3, 2021 · Au'au Channel · 1 sighting Deepest dive10 m Longest dive0:53
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Aug 2020 Aug 24, 2020 · Chatham Strait · 1 sighting Deepest dive69 m Longest dive2:18
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jun 2019 Jun 14, 2019 · Chatham Strait · 1 sighting Deepest dive23 m Longest dive1:13
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Sep 2014 Sep 17, 2014 · Chatham Strait · 1 sighting Deepest dive95 m Longest dive3:37
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Aug 1997 Aug 3, 1997 · Chatham Strait · 1 sighting Deepest dive27 m Longest dive1:33

✳ Dive stats modelled, not measured

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.