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

Smuilen – Residency

6th sighting in Chatham Strait
Fluke of Smuilen
Smuilen Confirmed in the catalog @26843
Jul 31 – Aug 28, 2019 · Chatham Strait

Chatham Strait · Jul – Aug 2019

338 m
Deepest dive
11:28
Longest dive
56
Dives
Sightings
5
Days between first and last sighting
27
Deepest dive on record
338 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 31, 201991 m12.1°C39 m
Jul 31, 201987 m12.1°C40 m
Aug 2, 2019439 m13.5°C338 m
Aug 24, 2019117 m12.0°C106 m
Aug 28, 201993 m11.6°C83 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 31, 2019 — seafloor 91 m (measured), deepest dive 39 m (modelled)Jul 31Jul 31, 2019 — seafloor 87 m (measured), deepest dive 40 m (modelled)Jul 31Aug 2, 2019 — seafloor 439 m (measured), deepest dive 338 m (modelled)Aug 2Aug 24, 2019 — seafloor 117 m (measured), deepest dive 106 m (modelled)Aug 24Aug 28, 2019 — seafloor 93 m (measured), deepest dive 83 m (modelled)Aug 28

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

Dives

338 m
Deepest dive
11:28
Longest dive
56
Dives
28 m
Avg dive depth
5
Sightings
27
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0175350338 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (439 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 2, 2019

measured
Seafloor depth
439 m
Sea-surface temperature
13.5°C
Distance from shore
2.0 km

Across the residency · 5 sightings

measured
Seafloor depth
87 m – 439 m
Sea-surface temperature
11.6°C – 13.5°C
Distance from shore
2.0 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).

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