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Salish Sea

Merlin – Residency

53rd sighting in Salish Sea
Fluke of Merlin
Merlin Confirmed in the catalog @4925
Aug 20 – Oct 22, 2024 · Salish Sea

Salish Sea · Aug – Oct 2024

111 m
Deepest dive
5:17
Longest dive
220
Dives
Sightings
17
Days between first and last sighting
63

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 20, 2024133 m10.9°C109 m
Aug 20, 2024163 m10.8°C42 m
Aug 21, 202488 m10.7°C70 m
Aug 21, 202456 m10.7°C34 m
Aug 23, 2024127 m10.5°C37 m
Aug 28, 20247 m—6 m
Aug 31, 2024121 m17.2°C104 m
Sep 21, 2024113 m14.2°C28 m
Sep 26, 2024116 m10.9°C72 m
Sep 26, 202491 m10.8°C75 m
Sep 30, 202460 m10.5°C40 m
Oct 1, 202436 m10.7°C33 m
Oct 5, 2024101 m10.7°C64 m
Oct 19, 202493 m11.7°C54 m
Oct 21, 202490 m11.1°C62 m
Oct 21, 202494 m11.1°C75 m
Oct 22, 2024167 m10.6°C111 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 20, 2024 — seafloor 133 m (measured), deepest dive 109 m (modelled)Aug 20Aug 20, 2024 — seafloor 163 m (measured), deepest dive 42 m (modelled)Aug 21, 2024 — seafloor 88 m (measured), deepest dive 70 m (modelled)Aug 21, 2024 — seafloor 56 m (measured), deepest dive 34 m (modelled)Aug 21Aug 23, 2024 — seafloor 127 m (measured), deepest dive 37 m (modelled)Aug 28, 2024 — seafloor 7 m (measured), deepest dive 6 m (modelled)Aug 31, 2024 — seafloor 121 m (measured), deepest dive 104 m (modelled)Aug 31Sep 21, 2024 — seafloor 113 m (measured), deepest dive 28 m (modelled)Sep 26, 2024 — seafloor 116 m (measured), deepest dive 72 m (modelled)Sep 26, 2024 — seafloor 91 m (measured), deepest dive 75 m (modelled)Sep 26Sep 30, 2024 — seafloor 60 m (measured), deepest dive 40 m (modelled)Oct 1, 2024 — seafloor 36 m (measured), deepest dive 33 m (modelled)Oct 5, 2024 — seafloor 101 m (measured), deepest dive 64 m (modelled)Oct 5Oct 19, 2024 — seafloor 93 m (measured), deepest dive 54 m (modelled)Oct 21, 2024 — seafloor 90 m (measured), deepest dive 62 m (modelled)Oct 21, 2024 — seafloor 94 m (measured), deepest dive 75 m (modelled)Oct 21Oct 22, 2024 — seafloor 167 m (measured), deepest dive 111 m (modelled)

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

Dives

111 m
Deepest dive
5:17
Longest dive
220
Dives
24 m
Avg dive depth
17
Sightings
63
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150111 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (167 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 · Oct 22, 2024

measured
Seafloor depth
167 m
Sea-surface temperature
10.6°C
Distance from shore
5.0 km

Across the residency · 17 sightings

measured
Seafloor depth
7 m – 167 m
Sea-surface temperature
10.5°C – 17.2°C
Distance from shore
1.0 km – 7.0 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 17 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.