Happy Houdini – Residency
9th sighting in South Africa
Happy Houdini @148733
Nov 25, 2025 – Jan 18, 2026 · South Africa
South Africa · Nov 2025 – Jan 2026
66 m
Deepest dive
2:17
Longest dive
73
Dives
- Sightings
- 9
- Days between first and last sighting
- 54
- Deepest dive on record
- 66 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) |
|---|---|---|---|
| Nov 25, 2025 | 27 m | — | 19 m |
| Nov 25, 2025 | 52 m | — | 27 m |
| Nov 27, 2025 | 28 m | — | 19 m |
| Dec 7, 2025 | 48 m | — | 33 m |
| Dec 11, 2025 | 37 m | — | 31 m |
| Dec 11, 2025 | 53 m | — | 42 m |
| Jan 5, 2026 | 65 m | 14.8°C | 47 m |
| Jan 6, 2026 | 93 m | 15.2°C | 40 m |
| Jan 18, 2026 | 73 m | 18.2°C | 66 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
66 m
Deepest dive
2:17
Longest dive
73
Dives
17 m
Avg dive depth
9
Sightings
54
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 (73 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 18, 2026
measured- Seafloor depth
- 73 m
- Sea-surface temperature
- 18.2°C
- Distance from shore
- 2.0 km
Across the residency · 9 sightings
measured- Seafloor depth
- 27 m – 93 m
- Sea-surface temperature
- 14.8°C – 18.2°C
- Distance from shore
- 2.0 km – 9.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 9 catalogued encounters on Happywhale.