Psathyrella – Residency
13th sighting in Chatham Strait
Psathyrella @6468
Jul 5 – Aug 24, 2025 · Chatham Strait
Chatham Strait · Jul – Aug 2025
105 m
Deepest dive
3:15
Longest dive
60
Dives
- Sightings
- 4
- Days between first and last sighting
- 50
- Deepest dive on record
- 105 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) |
|---|---|---|---|
| Jul 5, 2025 | 43 m | 11.4°C | 23 m |
| Jul 30, 2025 | 275 m | 14.2°C | 105 m |
| Aug 12, 2025 | 75 m | 13.9°C | 55 m |
| Aug 24, 2025 | 86 m | 15.1°C | 71 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
105 m
Deepest dive
3:15
Longest dive
60
Dives
24 m
Avg dive depth
4
Sightings
50
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 (275 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 30, 2025
measured- Seafloor depth
- 275 m
- Sea-surface temperature
- 14.2°C
- Distance from shore
- 6.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 43 m – 275 m
- Sea-surface temperature
- 11.4°C – 15.1°C
- Distance from shore
- 3.0 km – 6.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.