HW-MN0805704 – Residency
5th sighting in South Africa
HW-MN0805704 @150020
Dec 16, 2025 – Jan 2, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
80 m
Deepest dive
2:16
Longest dive
53
Dives
- Sightings
- 5
- Days between first and last sighting
- 17
- Deepest dive on record
- 80 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) |
|---|---|---|---|
| Dec 16, 2025 | 44 m | — | 13 m |
| Dec 30, 2025 | 38 m | — | 29 m |
| Dec 30, 2025 | 46 m | — | 33 m |
| Jan 2, 2026 | 96 m | 17.0°C | 63 m |
| Jan 2, 2026 | 97 m | 17.0°C | 80 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
80 m
Deepest dive
2:16
Longest dive
53
Dives
19 m
Avg dive depth
5
Sightings
17
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 (97 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 2, 2026
measured- Seafloor depth
- 97 m
- Sea-surface temperature
- 17.0°C
- Distance from shore
- 3.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 38 m – 97 m
- Sea-surface temperature
- 17.0°C
- Distance from shore
- 3.0 km – 7.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.