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

Incognito – Residency

13th sighting in Chatham Strait
Fluke of Incognito
Incognito Confirmed in the catalog @6299
Jun 21 – Aug 21, 2023 · Chatham Strait

Chatham Strait · Jun – Aug 2023

59 m
Deepest dive
2:49
Longest dive
50
Dives
Sightings
4
Days between first and last sighting
61

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 21, 202316 m—13 m
Jun 28, 202329 m—21 m
Aug 20, 202365 m—59 m
Aug 21, 202326 m—21 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 21, 2023 — seafloor 16 m (measured), deepest dive 13 m (modelled)Jun 21Jun 28, 2023 — seafloor 29 m (measured), deepest dive 21 m (modelled)Jun 28Aug 20, 2023 — seafloor 65 m (measured), deepest dive 59 m (modelled)Aug 20Aug 21, 2023 — seafloor 26 m (measured), deepest dive 21 m (modelled)Aug 21

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

Dives

59 m
Deepest dive
2:49
Longest dive
50
Dives
13 m
Avg dive depth
4
Sightings
61
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010059 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (65 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 20, 2023

measured
Seafloor depth
65 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
16 m – 65 m
Sea-surface temperature
—
Distance from shore
1.0 km – 5.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 4 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.