Heterotheca – Residency
4th sighting in Chatham Strait
Heterotheca @12799
Jul 12 – Aug 19, 2022 · Chatham Strait
Chatham Strait · Jul – Aug 2022
228 m
Deepest dive
9:11
Longest dive
17
Dives
- Sightings
- 2
- Days between first and last sighting
- 38
- Deepest dive on record
- 228 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) |
|---|---|---|---|
| Jul 12, 2022 | 118 m | — | 51 m |
| Aug 19, 2022 | 253 m | — | 228 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
228 m
Deepest dive
9:11
Longest dive
17
Dives
30 m
Avg dive depth
2
Sightings
38
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 (253 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 19, 2022
measured- Seafloor depth
- 253 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 118 m – 253 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.