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

Smuilen – Residency

17th sighting in Chatham Strait
Fluke of Smuilen
Smuilen Confirmed in the catalog @26843
Jun 3 – Sep 18, 2023 · Chatham Strait

Chatham Strait · Jun – Sep 2023

57 m
Deepest dive
2:26
Longest dive
92
Dives
Sightings
7
Days between first and last sighting
107

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 3, 202349 m8.6°C32 m
Jun 21, 202371 m9.8°C51 m
Jun 26, 2023118 m10.9°C57 m
Jul 2, 202362 m12.2°C33 m
Jul 4, 202336 m11.9°C27 m
Jul 26, 202352 m13.0°C28 m
Sep 18, 202334 m10.4°C29 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
Jun 3, 2023 — seafloor 49 m (measured), deepest dive 32 m (modelled)Jun 3Jun 21, 2023 — seafloor 71 m (measured), deepest dive 51 m (modelled)Jun 21Jun 26, 2023 — seafloor 118 m (measured), deepest dive 57 m (modelled)Jun 26Jul 2, 2023 — seafloor 62 m (measured), deepest dive 33 m (modelled)Jul 2Jul 4, 2023 — seafloor 36 m (measured), deepest dive 27 m (modelled)Jul 4Jul 26, 2023 — seafloor 52 m (measured), deepest dive 28 m (modelled)Jul 26Sep 18, 2023 — seafloor 34 m (measured), deepest dive 29 m (modelled)Sep 18

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

Dives

57 m
Deepest dive
2:26
Longest dive
92
Dives
19 m
Avg dive depth
7
Sightings
107
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010057 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (118 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 · Jun 26, 2023

measured
Seafloor depth
118 m
Sea-surface temperature
10.9°C
Distance from shore
1.0 km

Across the residency · 7 sightings

measured
Seafloor depth
34 m – 118 m
Sea-surface temperature
8.6°C – 13.0°C
Distance from shore
1.0 km – 5.0 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 7 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.