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

CRC-20746 – Residency

2nd sighting in Gulf of the Farallones
Fluke of CRC-20746
CRC-20746 Confirmed in the catalog @82385
Oct 1 – Dec 23, 2022 · Gulf of the Farallones

Gulf of the Farallones · Oct – Dec 2022

53 m
Deepest dive
2:32
Longest dive
30
Dives
Sightings
4
Days between first and last sighting
83

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 1, 202224 m—22 m
Oct 2, 202227 m—15 m
Oct 15, 202217 m—15 m
Dec 23, 2022126 m—53 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
Oct 1, 2022 — seafloor 24 m (measured), deepest dive 22 m (modelled)Oct 1Oct 2, 2022 — seafloor 27 m (measured), deepest dive 15 m (modelled)Oct 2Oct 15, 2022 — seafloor 17 m (measured), deepest dive 15 m (modelled)Oct 15Dec 23, 2022 — seafloor 126 m (measured), deepest dive 53 m (modelled)Dec 23

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

Dives

53 m
Deepest dive
2:32
Longest dive
30
Dives
17 m
Avg dive depth
4
Sightings
83
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010053 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (126 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 · Dec 23, 2022

measured
Seafloor depth
126 m
Sea-surface temperature
—
Distance from shore
11.0 km

Across the residency · 4 sightings

measured
Seafloor depth
17 m – 126 m
Sea-surface temperature
—
Distance from shore
5.0 km – 13.0 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.