Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

Gigantor – Residency

14th sighting in Monterey Bay
Fluke of Gigantor
Gigantor Confirmed in the catalog @863
Sep 20 – 23, 2024 · Monterey Bay

Monterey Bay · Sep 2024

65 m
Deepest dive
3:03
Longest dive
39
Dives
Sightings
4
Days between first and last sighting
3

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 20, 2024252 m—51 m
Sep 21, 202493 m—65 m
Sep 22, 202480 m—56 m
Sep 23, 202485 m—30 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
Sep 20, 2024 — seafloor 252 m (measured), deepest dive 51 m (modelled)Sep 20Sep 21, 2024 — seafloor 93 m (measured), deepest dive 65 m (modelled)Sep 21Sep 22, 2024 — seafloor 80 m (measured), deepest dive 56 m (modelled)Sep 22Sep 23, 2024 — seafloor 85 m (measured), deepest dive 30 m (modelled)Sep 23

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

Dives

65 m
Deepest dive
3:03
Longest dive
39
Dives
23 m
Avg dive depth
4
Sightings
3
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010065 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (93 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, 2024

measured
Seafloor depth
93 m
Sea-surface temperature
—
Distance from shore
14.0 km

Across the residency · 4 sightings

measured
Seafloor depth
80 m – 252 m
Sea-surface temperature
—
Distance from shore
10.0 km – 14.0 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.