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Salish Sea

Trident – Residency

29th sighting in Salish Sea
Fluke of Trident
Trident Confirmed in the catalog @7058
Jul 6 – Oct 27, 2018 · Salish Sea

Salish Sea · Jul – Oct 2018

116 m
Deepest dive
5:04
Longest dive
138
Dives
Sightings
11
Days between first and last sighting
113

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 6, 2018120 m12.3°C83 m
Jul 20, 201851 m11.7°C40 m
Jul 23, 201829 m12.2°C26 m
Jul 28, 201864 m11.9°C54 m
Aug 1, 2018141 m12.1°C116 m
Aug 7, 2018157 m12.6°C103 m
Aug 9, 201849 m12.7°C40 m
Aug 14, 201872 m12.4°C30 m
Aug 15, 201829 m12.5°C27 m
Aug 16, 2018125 m12.3°C73 m
Oct 27, 201877 m10.1°C68 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
Jul 6, 2018 — seafloor 120 m (measured), deepest dive 83 m (modelled)Jul 6Jul 20, 2018 — seafloor 51 m (measured), deepest dive 40 m (modelled)Jul 20Jul 23, 2018 — seafloor 29 m (measured), deepest dive 26 m (modelled)Jul 23Jul 28, 2018 — seafloor 64 m (measured), deepest dive 54 m (modelled)Jul 28Aug 1, 2018 — seafloor 141 m (measured), deepest dive 116 m (modelled)Aug 1Aug 7, 2018 — seafloor 157 m (measured), deepest dive 103 m (modelled)Aug 7Aug 9, 2018 — seafloor 49 m (measured), deepest dive 40 m (modelled)Aug 9Aug 14, 2018 — seafloor 72 m (measured), deepest dive 30 m (modelled)Aug 14Aug 15, 2018 — seafloor 29 m (measured), deepest dive 27 m (modelled)Aug 15Aug 16, 2018 — seafloor 125 m (measured), deepest dive 73 m (modelled)Aug 16Oct 27, 2018 — seafloor 77 m (measured), deepest dive 68 m (modelled)Oct 27

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

Dives

116 m
Deepest dive
5:04
Longest dive
138
Dives
24 m
Avg dive depth
11
Sightings
113
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150116 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (141 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 1, 2018

measured
Seafloor depth
141 m
Sea-surface temperature
12.1°C
Distance from shore
8.0 km

Across the residency · 11 sightings

measured
Seafloor depth
29 m – 157 m
Sea-surface temperature
10.1°C – 12.7°C
Distance from shore
4.0 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 11 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.