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

Razorback – Residency

17th sighting in Lynn Canal & Stephens Passage
Fluke of Razorback
Razorback Confirmed in the catalog @6837
Jun 24 – Sep 7, 2015 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Jun – Sep 2015

82 m
Deepest dive
3:04
Longest dive
14
Dives
Sightings
2
Days between first and last sighting
75

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 24, 2015104 m13.3°C30 m
Sep 7, 2015110 m12.3°C82 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 24, 2015 — seafloor 104 m (measured), deepest dive 30 m (modelled)Jun 24Sep 7, 2015 — seafloor 110 m (measured), deepest dive 82 m (modelled)Sep 7

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

Dives

82 m
Deepest dive
3:04
Longest dive
14
Dives
26 m
Avg dive depth
2
Sightings
75
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010082 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (110 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 · Sep 7, 2015

measured
Seafloor depth
110 m
Sea-surface temperature
12.3°C
Distance from shore
1.0 km

Across the residency · 2 sightings

measured
Seafloor depth
104 m – 110 m
Sea-surface temperature
12.3°C – 13.3°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 2 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.