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

Sherona @6441

North Pacific humpback. Catalogued since 2002.

Chatham Strait · North Pacific

Public · Not set by this account.

56 Following 130 Followers
78
Sightings
25
Years
9
Crossings
Last 12 months 7 sightings
  1. N 2025-11: 0 sightings
  2. D 2025-12: 1 sighting
  3. J 2026-01: 0 sightings
  4. F 2026-02: 0 sightings
  5. M 2026-03: 5 sightings
  6. A 2026-04: 0 sightings
  7. M 2026-05: 0 sightings
  8. J 2026-06: 0 sightings
  9. J 2026-07: 0 sightings
  10. A 2026-08: 1 sighting
  11. S 2026-09: 0 sightings
  12. O 2026-10: 0 sightings

Activities

18 in Risa
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Sitka Sound & Outer Baranof · Aug 2026 Aug 3, 2026 · Sitka Sound & Outer Baranof · 1 sighting Deepest dive26 m Longest dive1:14
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait, Present and Correct Mar 27 – 29, 2026 · Sitka Sound & Outer Baranof · 5 sightings Deepest dive67 m Longest dive2:56
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Hawaiian Islands · Dec 2025 Dec 19, 2025 · Hawaiian Islands · 1 sighting Deepest dive59 m Longest dive2:43
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jul – Aug 2025 Jul 14 – Aug 23, 2025 · Chatham Strait · 4 sightings Deepest dive168 m Longest dive5:50
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Sitka Sound & Outer Baranof · Mar 2025 Mar 24 – 29, 2025 · Sitka Sound & Outer Baranof · 3 sightings Deepest dive65 m Longest dive2:34
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Apr – Sep 2024 Apr 6 – Sep 13, 2024 · Chatham Strait · 14 sightings Deepest dive96 m Longest dive5:07
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Sitka Sound & Outer Baranof · Mar – Aug 2023 Mar 28 – Aug 3, 2023 · Sitka Sound & Outer Baranof · 15 sightings Deepest dive135 m Longest dive4:45
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jul – Aug 2022 Jul 14 – Aug 24, 2022 · Chatham Strait · 9 sightings Deepest dive93 m Longest dive3:09
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Hawaiian Islands · Dec 2021 Dec 30, 2021 · Hawaiian Islands · 1 sighting Deepest dive158 m Longest dive6:12
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jul 2021 Jul 19 – 29, 2021 · Chatham Strait · 4 sightings Deepest dive180 m Longest dive6:05
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Aug 2020 Aug 18, 2020 · Chatham Strait · 1 sighting Deepest dive48 m Longest dive1:55
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Au'au Channel · Jan 2020 Jan 22, 2020 · Au'au Channel · 1 sighting Deepest dive3 m Longest dive0:40
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jul 2019 Jul 20 – 21, 2019 · Chatham Strait · 2 sightings Deepest dive43 m Longest dive2:18
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Glacier Bay & Icy Strait · Sep 2018 Sep 4, 2018 · Glacier Bay & Icy Strait · 1 sighting Deepest dive94 m Longest dive3:26
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Glacier Bay & Icy Strait · Jul 2016 Jul 28, 2016 · Glacier Bay & Icy Strait · 1 sighting Deepest dive44 m Longest dive1:55
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Au'au Channel · Feb 2015 Feb 21, 2015 · Au'au Channel · 1 sighting Deepest dive30 m Longest dive1:54
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jul 2011 Jul 25, 2011 · Chatham Strait · 1 sighting Deepest dive250 m Longest dive8:59
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Au'au Channel · Mar 2002 Mar 3, 2002 · Au'au Channel · 1 sighting Deepest dive77 m Longest dive3:43

✳ 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.