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

Split Fin – Residency

53rd sighting in Salish Sea
Fluke of Split Fin
Split Fin Confirmed in the catalog @4083
May 23 – Nov 18, 2018 · Salish Sea

Salish Sea · May – Nov 2018

98 m
Deepest dive
3:04
Longest dive
135
Dives
Sightings
14
Days between first and last sighting
179

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 23, 2018113 m12.4°C61 m
May 27, 201833 m10.3°C30 m
May 30, 2018190 m11.1°C21 m
Jul 14, 201817 m13.0°C15 m
Jul 22, 201818 m12.4°C9 m
Jul 26, 2018179 m12.0°C56 m
Jul 26, 201893 m12.5°C69 m
Jul 28, 201829 m12.4°C24 m
Aug 4, 2018103 m13.4°C86 m
Aug 19, 2018140 m11.9°C81 m
Aug 25, 2018193 m15.2°C98 m
Sep 3, 2018195 m16.1°C41 m
Sep 6, 2018175 m15.4°C70 m
Nov 18, 2018115 m9.9°C66 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 23, 2018 — seafloor 113 m (measured), deepest dive 61 m (modelled)May 23May 27, 2018 — seafloor 33 m (measured), deepest dive 30 m (modelled)May 30, 2018 — seafloor 190 m (measured), deepest dive 21 m (modelled)Jul 14, 2018 — seafloor 17 m (measured), deepest dive 15 m (modelled)Jul 14Jul 22, 2018 — seafloor 18 m (measured), deepest dive 9 m (modelled)Jul 26, 2018 — seafloor 179 m (measured), deepest dive 56 m (modelled)Jul 26, 2018 — seafloor 93 m (measured), deepest dive 69 m (modelled)Jul 26Jul 28, 2018 — seafloor 29 m (measured), deepest dive 24 m (modelled)Aug 4, 2018 — seafloor 103 m (measured), deepest dive 86 m (modelled)Aug 19, 2018 — seafloor 140 m (measured), deepest dive 81 m (modelled)Aug 19Aug 25, 2018 — seafloor 193 m (measured), deepest dive 98 m (modelled)Sep 3, 2018 — seafloor 195 m (measured), deepest dive 41 m (modelled)Sep 6, 2018 — seafloor 175 m (measured), deepest dive 70 m (modelled)Sep 6Nov 18, 2018 — seafloor 115 m (measured), deepest dive 66 m (modelled)

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

Dives

98 m
Deepest dive
3:04
Longest dive
135
Dives
24 m
Avg dive depth
14
Sightings
179
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010098 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (193 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 25, 2018

measured
Seafloor depth
193 m
Sea-surface temperature
15.2°C
Distance from shore
2.0 km

Across the residency · 14 sightings

measured
Seafloor depth
17 m – 195 m
Sea-surface temperature
9.9°C – 16.1°C
Distance from shore
2.0 km – 12.0 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 14 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.