Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Angelica – Residency

30th sighting in Chatham Strait
Fluke of Angelica
Angelica Confirmed in the catalog @16859
Jul 1 – Aug 25, 2024 · Chatham Strait

Chatham Strait · Jul – Aug 2024

98 m
Deepest dive
3:19
Longest dive
40
Dives
Sightings
5
Days between first and last sighting
55

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 1, 2024129 m11.2°C71 m
Jul 9, 202435 m12.1°C31 m
Jul 29, 202457 m10.5°C47 m
Aug 7, 202430 m12.8°C22 m
Aug 25, 2024315 m9.7°C98 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jul 1, 2024 — seafloor 129 m (measured), deepest dive 71 m (modelled)Jul 1Jul 9, 2024 — seafloor 35 m (measured), deepest dive 31 m (modelled)Jul 9Jul 29, 2024 — seafloor 57 m (measured), deepest dive 47 m (modelled)Jul 29Aug 7, 2024 — seafloor 30 m (measured), deepest dive 22 m (modelled)Aug 7Aug 25, 2024 — seafloor 315 m (measured), deepest dive 98 m (modelled)Aug 25

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

98 m
Deepest dive
3:19
Longest dive
40
Dives
24 m
Avg dive depth
5
Sightings
55
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010098 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (315 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Aug 25, 2024

measured
Seafloor depth
315 m
Sea-surface temperature
9.7°C
Distance from shore
7.0 km

Across the residency · 5 sightings

measured
Seafloor depth
30 m – 315 m
Sea-surface temperature
9.7°C – 12.8°C
Distance from shore
2.0 km – 7.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 5 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.