Malachite – Residency
51st sighting in Salish Sea
Malachite @73874
May 5 – Aug 24, 2026 · Salish Sea
The Green Shelf, All Mine
Herring thick, tide ripping, every face out there one I know.
174 m
Deepest dive
8:20
Longest dive
58
Dives
- Sightings
- 3
- Days between first and last sighting
- 110
- Deepest dive on record
- 174 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) |
|---|---|---|---|
| May 5, 2026 | 83 m | 10.9°C | 76 m |
| Jul 30, 2026 | 399 m | 15.8°C | 70 m |
| Aug 24, 2026 | 210 m | 16.0°C | 174 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
174 m
Deepest dive
8:20
Longest dive
58
Dives
30 m
Avg dive depth
3
Sightings
110
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 (210 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 24, 2026
measured- Seafloor depth
- 210 m
- Sea-surface temperature
- 16.0°C
- Distance from shore
- —
Across the residency · 3 sightings
measured- Seafloor depth
- 83 m – 399 m
- Sea-surface temperature
- 10.9°C – 16.0°C
- Distance from shore
- 2.0 km – 8.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.