ThreebyThree – Residency
21st sighting in Chatham Strait
ThreebyThree @37063
Jun 4 – Aug 7, 2025 · Chatham Strait
Chatham Strait · Jun – Aug 2025
161 m
Deepest dive
5:02
Longest dive
36
Dives
- Sightings
- 3
- Days between first and last sighting
- 64
- Deepest dive on record
- 161 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) |
|---|---|---|---|
| Jun 4, 2025 | 105 m | — | 23 m |
| Jul 17, 2025 | 352 m | — | 161 m |
| Aug 7, 2025 | 330 m | — | 44 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
161 m
Deepest dive
5:02
Longest dive
36
Dives
23 m
Avg dive depth
3
Sightings
64
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 (352 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 17, 2025
measured- Seafloor depth
- 352 m
- Sea-surface temperature
- —
- Distance from shore
- 9.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 105 m – 352 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 9.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.