Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Lynn Canal & Stephens Passage

Chompers – Residency

3rd sighting in Lynn Canal & Stephens Passage
Fluke of Chompers
Chompers Confirmed in the catalog @102779
Jun 7 – Sep 8, 2023 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Jun – Sep 2023

58 m
Deepest dive
2:31
Longest dive
40
Dives
Sightings
5
Days between first and last sighting
93

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 7, 2023122 m—58 m
Jun 13, 2023200 m—20 m
Jul 12, 202347 m—33 m
Jul 17, 202372 m—45 m
Sep 8, 202377 m—54 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 7, 2023 — seafloor 122 m (measured), deepest dive 58 m (modelled)Jun 7Jun 13, 2023 — seafloor 200 m (measured), deepest dive 20 m (modelled)Jun 13Jul 12, 2023 — seafloor 47 m (measured), deepest dive 33 m (modelled)Jul 12Jul 17, 2023 — seafloor 72 m (measured), deepest dive 45 m (modelled)Jul 17Sep 8, 2023 — seafloor 77 m (measured), deepest dive 54 m (modelled)Sep 8

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

Dives

58 m
Deepest dive
2:31
Longest dive
40
Dives
19 m
Avg dive depth
5
Sightings
93
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (122 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 7, 2023

measured
Seafloor depth
122 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 5 sightings

measured
Seafloor depth
47 m – 200 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 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 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.