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

Akula – Residency

5th sighting in Gulf of the Farallones
Fluke of Akula
Akula Confirmed in the catalog @144
Jun 30 – Oct 1, 2023 · Gulf of the Farallones

Gulf of the Farallones · Jun – Oct 2023

46 m
Deepest dive
1:49
Longest dive
64
Dives
Sightings
7
Days between first and last sighting
93

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 30, 202348 m—35 m
Jul 3, 202310 m—7 m
Jul 16, 202312 m—11 m
Aug 12, 202335 m—29 m
Aug 14, 202332 m—25 m
Sep 21, 202350 m—46 m
Oct 1, 202344 m—40 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
Jun 30, 2023 — seafloor 48 m (measured), deepest dive 35 m (modelled)Jun 30Jul 3, 2023 — seafloor 10 m (measured), deepest dive 7 m (modelled)Jul 3Jul 16, 2023 — seafloor 12 m (measured), deepest dive 11 m (modelled)Jul 16Aug 12, 2023 — seafloor 35 m (measured), deepest dive 29 m (modelled)Aug 12Aug 14, 2023 — seafloor 32 m (measured), deepest dive 25 m (modelled)Aug 14Sep 21, 2023 — seafloor 50 m (measured), deepest dive 46 m (modelled)Sep 21Oct 1, 2023 — seafloor 44 m (measured), deepest dive 40 m (modelled)Oct 1

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

Dives

46 m
Deepest dive
1:49
Longest dive
64
Dives
14 m
Avg dive depth
7
Sightings
93
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255046 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (50 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 21, 2023

measured
Seafloor depth
50 m
Sea-surface temperature
—
Distance from shore
16.0 km

Across the residency · 7 sightings

measured
Seafloor depth
10 m – 50 m
Sea-surface temperature
—
Distance from shore
1.0 km – 16.0 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 7 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.