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

Tucker – Residency

20th sighting in Lynn Canal & Stephens Passage
Fluke of Tucker
Tucker Confirmed in the catalog @18249
May 16 – Jul 31, 2018 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · May – Jul 2018

—
Deepest dive
—
Longest dive
—
Dives
Sightings
6
Days between first and last sighting
76

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 16, 201893 m7.2°C—
May 24, 201887 m7.6°C—
May 27, 201898 m7.9°C—
May 30, 201887 m9.3°C—
May 30, 2018123 m9.3°C—
Jul 31, 201884 m12.6°C—

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
May 16, 2018 — seafloor 93 m (measured), deepest dive — (modelled)May 16May 24, 2018 — seafloor 87 m (measured), deepest dive — (modelled)May 24May 27, 2018 — seafloor 98 m (measured), deepest dive — (modelled)May 27May 30, 2018 — seafloor 87 m (measured), deepest dive — (modelled)May 30May 30, 2018 — seafloor 123 m (measured), deepest dive — (modelled)May 30Jul 31, 2018 — seafloor 84 m (measured), deepest dive — (modelled)Jul 31

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

Dives

—
Deepest dive
—
Longest dive
—
Dives
—
Avg dive depth
6
Sightings
76
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
02550startdive sequence (illustrative)

Modelled from the published dive-behaviour distribution. Not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Jul 31, 2018

measured
Seafloor depth
84 m
Sea-surface temperature
12.6°C
Distance from shore
1.0 km

Across the residency · 6 sightings

measured
Seafloor depth
84 m – 123 m
Sea-surface temperature
7.2°C – 12.6°C
Distance from shore
1.0 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 6 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).

Happywhale runs on donations: support Happywhale →

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