Black Fork – Residency
9th sighting in Au'au Channel
Black Fork @29810
Mar 4 – 22, 2023 · Au'au Channel
Au'au Channel · Mar 2023
51 m
Deepest dive
2:27
Longest dive
54
Dives
- Sightings
- 5
- Days between first and last sighting
- 18
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Mar 4, 2023 | 59 m | — | 41 m |
| Mar 4, 2023 | 152 m | — | 41 m |
| Mar 19, 2023 | 62 m | — | 51 m |
| Mar 22, 2023 | 70 m | — | 45 m |
| Mar 22, 2023 | 56 m | — | 41 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
51 m
Deepest dive
2:27
Longest dive
54
Dives
20 m
Avg dive depth
5
Sightings
18
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 (62 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 19, 2023
measured- Seafloor depth
- 62 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 56 m – 152 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km – 8.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.