Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Gulf of Maine

Kaolin – Residency

5th sighting in Gulf of Maine
Fluke of Kaolin
Kaolin Confirmed in the catalog @104379
Aug 10 – Sep 15, 2023 · Gulf of Maine

Gulf of Maine · Aug – Sep 2023

97 m
Deepest dive
4:06
Longest dive
44
Dives
Sightings
4
Days between first and last sighting
36
Deepest dive on record
97 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 10, 202393 m—73 m
Aug 17, 2023166 m—65 m
Aug 22, 202371 m—51 m
Sep 15, 2023120 m—97 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 10, 2023 — seafloor 93 m (measured), deepest dive 73 m (modelled)Aug 10Aug 17, 2023 — seafloor 166 m (measured), deepest dive 65 m (modelled)Aug 17Aug 22, 2023 — seafloor 71 m (measured), deepest dive 51 m (modelled)Aug 22Sep 15, 2023 — seafloor 120 m (measured), deepest dive 97 m (modelled)Sep 15

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

Dives

97 m
Deepest dive
4:06
Longest dive
44
Dives
27 m
Avg dive depth
4
Sightings
36
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010097 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (120 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 · Sep 15, 2023

measured
Seafloor depth
120 m
Sea-surface temperature
—
Distance from shore
12.0 km

Across the residency · 4 sightings

measured
Seafloor depth
71 m – 166 m
Sea-surface temperature
—
Distance from shore
12.0 km – 39.0 km

Sources: GEBCO seafloor grid · 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.