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

Mathematician @4593

Mathematician is known from research conducted by Cascadia Research Collective, Marine Education and Research Society Humpback Whale Catalog, and collaborators

Salish Sea · North Pacific

Public · Not set by this account.

76 Following 334 Followers
55
Sightings
17
Years
10
Crossings
Last 12 months 13 sightings
  1. N 2025-11: 0 sightings
  2. D 2025-12: 0 sightings
  3. J 2026-01: 0 sightings
  4. F 2026-02: 3 sightings
  5. M 2026-03: 1 sighting
  6. A 2026-04: 1 sighting
  7. M 2026-05: 0 sightings
  8. J 2026-06: 2 sightings
  9. J 2026-07: 2 sightings
  10. A 2026-08: 2 sightings
  11. S 2026-09: 2 sightings
  12. O 2026-10: 0 sightings

Activities

17 in Risa
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Jul – Sep 2025 Jul 29 – Sep 23, 2025 · Salish Sea · 5 sightings Deepest dive110 m Longest dive4:19
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Au'au Channel · Mar 2025 Mar 25, 2025 · Au'au Channel · 1 sighting Deepest dive31 m Longest dive1:53
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Aug 2024 Aug 5 – 16, 2024 · Salish Sea · 2 sightings Deepest dive64 m Longest dive2:39
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Au'au Channel · Feb – Mar 2024 Feb 23 – Mar 29, 2024 · Au'au Channel · 5 sightings Deepest dive75 m Longest dive3:03
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Sep 2023 Sep 9, 2023 · Salish Sea · 1 sighting Deepest dive74 m Longest dive3:21
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Au'au Channel · Mar 2023 Mar 21 – 22, 2023 · Au'au Channel · 2 sightings Deepest dive29 m Longest dive1:33
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Sep 2022 Sep 24, 2022 · Salish Sea · 1 sighting Deepest dive56 m Longest dive2:57
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Hawaiian Islands · Mar 2022 Mar 1, 2022 · Hawaiian Islands · 1 sighting Deepest dive125 m Longest dive3:51
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Oct 2021 Oct 10, 2021 · Salish Sea · 1 sighting Deepest dive63 m Longest dive2:42
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Chatham Strait · Jun 2021 Jun 8, 2021 · Chatham Strait · 1 sighting Deepest dive45 m Longest dive2:31
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Hawaiian Islands · Feb 2020 Feb 20, 2020 · Hawaiian Islands · 1 sighting Deepest dive16 m Longest dive0:47
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Jul – Sep 2019 Jul 4 – Sep 4, 2019 · Salish Sea · 5 sightings Deepest dive89 m Longest dive2:35
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Aug 2018 Aug 9 – 16, 2018 · Salish Sea · 2 sightings Deepest dive— Longest dive—
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Aug – Oct 2017 Aug 6 – Oct 14, 2017 · Salish Sea · 3 sightings Deepest dive— Longest dive—
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Nov 2016 Nov 10, 2016 · Salish Sea · 1 sighting Deepest dive— Longest dive—
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 Salish Sea · Aug – Oct 2015 Aug 10 – Oct 27, 2015 · Salish Sea · 2 sightings Deepest dive— Longest dive—
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
 West Vancouver Island · Sep 2010 Sep 5, 2010 · West Vancouver Island · 1 sighting Deepest dive— Longest dive—

✳ 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).

Happywhale runs on donations: support Happywhale →

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