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

WappiSimba – Residency

10th sighting in Chatham Strait
Fluke of WappiSimba
WappiSimba Confirmed in the catalog @15623
Jul 7 – Aug 18, 2021 · Chatham Strait

Chatham Strait · Jul – Aug 2021

194 m
Deepest dive
5:55
Longest dive
78
Dives
Sightings
6
Days between first and last sighting
42

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 7, 2021103 m11.4°C74 m
Jul 26, 202184 m12.9°C67 m
Jul 27, 2021165 m12.7°C79 m
Aug 14, 2021204 m10.1°C129 m
Aug 14, 202165 m10.0°C57 m
Aug 18, 2021311 m12.8°C194 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 7, 2021 — seafloor 103 m (measured), deepest dive 74 m (modelled)Jul 7Jul 26, 2021 — seafloor 84 m (measured), deepest dive 67 m (modelled)Jul 26Jul 27, 2021 — seafloor 165 m (measured), deepest dive 79 m (modelled)Jul 27Aug 14, 2021 — seafloor 204 m (measured), deepest dive 129 m (modelled)Aug 14Aug 14, 2021 — seafloor 65 m (measured), deepest dive 57 m (modelled)Aug 14Aug 18, 2021 — seafloor 311 m (measured), deepest dive 194 m (modelled)Aug 18

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

Dives

194 m
Deepest dive
5:55
Longest dive
78
Dives
31 m
Avg dive depth
6
Sightings
42
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200194 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (311 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.

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Place

Where this happened · Aug 18, 2021

measured
Seafloor depth
311 m
Sea-surface temperature
12.8°C
Distance from shore
2.0 km

Across the residency · 6 sightings

measured
Seafloor depth
65 m – 311 m
Sea-surface temperature
10.0°C – 12.9°C
Distance from shore
1.0 km – 8.0 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 6 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).

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