Ika – Residency
16th sighting in Au'au ChannelIka @5518
Dec 20 – 21, 2025 · Au'au Channel
Au'au Channel · Dec 2025
66 m
Deepest dive
2:40
Longest dive
32
Dives
- Sightings
- 2
- Days between first and last sighting
- 2
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 20, 2025 | 72 m | 26.1°C | 66 m |
| Dec 21, 2025 | 68 m | 26.3°C | 61 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
2:40
Longest dive
32
Dives
25 m
Avg dive depth
2
Sightings
2
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 (72 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 20, 2025
measured- Seafloor depth
- 72 m
- Sea-surface temperature
- 26.1°C
- Distance from shore
- 4.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 68 m – 72 m
- Sea-surface temperature
- 26.1°C – 26.3°C
- Distance from shore
- 4.0 km – 6.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.