2026 calf of Zillion – Residency
7th sighting in Salish Sea
2026 calf of Zillion @164695
Sep 7 – Oct 4, 2026 · Salish Sea
Autumn, still full of faces
Early fall in the Salish Sea and I never once swam alone.
120 m
Deepest dive
5:03
Longest dive
97
Dives
- Sightings
- 7
- Days between first and last sighting
- 27
- Deepest dive on record
- 120 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 7, 2026 | 125 m | — | 92 m |
| Sep 8, 2026 | 103 m | — | 77 m |
| Sep 26, 2026 | 58 m | — | 32 m |
| Sep 27, 2026 | 54 m | — | 33 m |
| Oct 3, 2026 | 140 m | — | 120 m |
| Oct 3, 2026 | 40 m | — | 32 m |
| Oct 4, 2026 | 54 m | — | 45 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
120 m
Deepest dive
5:03
Longest dive
97
Dives
22 m
Avg dive depth
7
Sightings
27
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (140 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 3, 2026
measured- Seafloor depth
- 140 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 40 m – 140 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 5.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.