Pythagorean – Residency
9th sighting in Chatham Strait
Pythagorean @6483
Sep 15, 2026 · Chatham Strait
Chatham Strait · Sep 2026
6 m
Deepest dive
0:54
Longest dive
21
Dives
- Sightings
- 1
- Days between first and last sighting
- Same day
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 15, 2026 | 7 m | 10.9°C | 6 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
6 m
Deepest dive
0:54
Longest dive
21
Dives
4 m
Avg dive depth
1
Sightings
Same day
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 (7 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 15, 2026
measured- Seafloor depth
- 7 m
- Sea-surface temperature
- 10.9°C
- Distance from shore
- —
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 1 catalogued encounter on Happywhale.