Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
North Atlantic

Masai – Residency

Fluke of Masai
Masai Confirmed in the catalog @84136
Jul 21 – Sep 13, 2024 · North Atlantic

North Atlantic · Jul – Sep 2024

35 m
Deepest dive
1:35
Longest dive
38
Dives
Sightings
4
Days between first and last sighting
53

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 21, 202434 m—31 m
Aug 24, 202412 m—11 m
Aug 25, 202437 m—32 m
Sep 13, 202439 m—35 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 21, 2024 — seafloor 34 m (measured), deepest dive 31 m (modelled)Jul 21Aug 24, 2024 — seafloor 12 m (measured), deepest dive 11 m (modelled)Aug 24Aug 25, 2024 — seafloor 37 m (measured), deepest dive 32 m (modelled)Aug 25Sep 13, 2024 — seafloor 39 m (measured), deepest dive 35 m (modelled)Sep 13

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

Dives

35 m
Deepest dive
1:35
Longest dive
38
Dives
12 m
Avg dive depth
4
Sightings
53
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255035 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (39 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 13, 2024

measured
Seafloor depth
39 m
Sea-surface temperature
—
Distance from shore
19.0 km

Across the residency · 4 sightings

measured
Seafloor depth
12 m – 39 m
Sea-surface temperature
—
Distance from shore
2.0 km – 19.0 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.