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

Ika – Residency

3rd sighting in Lynn Canal & Stephens Passage
Fluke of Ika
Ika Confirmed in the catalog @5518
Aug 22 – Sep 7, 2020 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Aug – Sep 2020

135 m
Deepest dive
5:11
Longest dive
43
Dives
Sightings
4
Days between first and last sighting
16

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 22, 2020201 m11.6°C135 m
Aug 29, 202093 m10.6°C37 m
Sep 6, 202076 m10.2°C60 m
Sep 7, 202089 m10.2°C50 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
Aug 22, 2020 — seafloor 201 m (measured), deepest dive 135 m (modelled)Aug 22Aug 29, 2020 — seafloor 93 m (measured), deepest dive 37 m (modelled)Aug 29Sep 6, 2020 — seafloor 76 m (measured), deepest dive 60 m (modelled)Sep 6Sep 7, 2020 — seafloor 89 m (measured), deepest dive 50 m (modelled)Sep 7

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

Dives

135 m
Deepest dive
5:11
Longest dive
43
Dives
25 m
Avg dive depth
4
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150135 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (201 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 22, 2020

measured
Seafloor depth
201 m
Sea-surface temperature
11.6°C
Distance from shore
3.0 km

Across the residency · 4 sightings

measured
Seafloor depth
76 m – 201 m
Sea-surface temperature
10.2°C – 11.6°C
Distance from shore
1.0 km – 3.0 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 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.