Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Salish Sea

Split Fin – Residency

61st sighting in Salish Sea
Fluke of Split Fin
Split Fin Confirmed in the catalog @4083
May 21 – Aug 7, 2019 · Salish Sea

Salish Sea · May – Aug 2019

159 m
Deepest dive
5:31
Longest dive
99
Dives
Sightings
8
Days between first and last sighting
78

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 21, 2019107 m10.2°C28 m
Jun 2, 2019166 m15.9°C91 m
Jul 25, 201999 m11.8°C42 m
Jul 27, 2019162 m12.8°C83 m
Jul 30, 201970 m12.6°C59 m
Aug 1, 201984 m12.7°C54 m
Aug 4, 201993 m12.1°C68 m
Aug 7, 2019320 m19.4°C159 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
May 21, 2019 — seafloor 107 m (measured), deepest dive 28 m (modelled)May 21Jun 2, 2019 — seafloor 166 m (measured), deepest dive 91 m (modelled)Jun 2Jul 25, 2019 — seafloor 99 m (measured), deepest dive 42 m (modelled)Jul 25Jul 27, 2019 — seafloor 162 m (measured), deepest dive 83 m (modelled)Jul 27Jul 30, 2019 — seafloor 70 m (measured), deepest dive 59 m (modelled)Jul 30Aug 1, 2019 — seafloor 84 m (measured), deepest dive 54 m (modelled)Aug 1Aug 4, 2019 — seafloor 93 m (measured), deepest dive 68 m (modelled)Aug 4Aug 7, 2019 — seafloor 320 m (measured), deepest dive 159 m (modelled)Aug 7

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

Dives

159 m
Deepest dive
5:31
Longest dive
99
Dives
30 m
Avg dive depth
8
Sightings
78
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200159 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (320 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 7, 2019

measured
Seafloor depth
320 m
Sea-surface temperature
19.4°C
Distance from shore
14.0 km

Across the residency · 8 sightings

measured
Seafloor depth
70 m – 320 m
Sea-surface temperature
10.2°C – 19.4°C
Distance from shore
1.0 km – 14.0 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 8 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.