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

SEAK-5405 – Residency

2nd sighting in Chatham Strait
Fluke of SEAK-5405
SEAK-5405 Confirmed in the catalog @67242
Jun 18 – 20, 2021 · Chatham Strait

Chatham Strait · Jun 2021

68 m
Deepest dive
2:24
Longest dive
19
Dives
Sightings
3
Days between first and last sighting
2
Deepest dive on record
68 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 18, 2021104 m—59 m
Jun 20, 202188 m—18 m
Jun 20, 2021113 m—68 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 18, 2021 — seafloor 104 m (measured), deepest dive 59 m (modelled)Jun 18Jun 20, 2021 — seafloor 88 m (measured), deepest dive 18 m (modelled)Jun 20Jun 20, 2021 — seafloor 113 m (measured), deepest dive 68 m (modelled)Jun 20

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

Dives

68 m
Deepest dive
2:24
Longest dive
19
Dives
20 m
Avg dive depth
3
Sightings
2
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010068 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (113 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 20, 2021

measured
Seafloor depth
113 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 3 sightings

measured
Seafloor depth
88 m – 113 m
Sea-surface temperature
—
Distance from shore
2.0 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 3 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.