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

Gacho – Residency

26th sighting in Monterey Bay
Fluke of Gacho
Gacho Confirmed in the catalog @72241
Jun 29 – Nov 14, 2025 · Monterey Bay

Monterey Bay · Jun – Nov 2025

152 m
Deepest dive
4:30
Longest dive
159
Dives
Sightings
8
Days between first and last sighting
139

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 29, 202547 m—38 m
Jul 5, 202562 m—50 m
Jul 6, 202560 m—52 m
Aug 1, 202581 m—42 m
Aug 13, 202583 m—27 m
Aug 13, 202586 m—47 m
Nov 3, 2025514 m—152 m
Nov 14, 202574 m—63 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 29, 2025 — seafloor 47 m (measured), deepest dive 38 m (modelled)Jun 29Jul 5, 2025 — seafloor 62 m (measured), deepest dive 50 m (modelled)Jul 5Jul 6, 2025 — seafloor 60 m (measured), deepest dive 52 m (modelled)Jul 6Aug 1, 2025 — seafloor 81 m (measured), deepest dive 42 m (modelled)Aug 1Aug 13, 2025 — seafloor 83 m (measured), deepest dive 27 m (modelled)Aug 13Aug 13, 2025 — seafloor 86 m (measured), deepest dive 47 m (modelled)Aug 13Nov 3, 2025 — seafloor 514 m (measured), deepest dive 152 m (modelled)Nov 3Nov 14, 2025 — seafloor 74 m (measured), deepest dive 63 m (modelled)Nov 14

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

Dives

152 m
Deepest dive
4:30
Longest dive
159
Dives
24 m
Avg dive depth
8
Sightings
139
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200152 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (514 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 · Nov 3, 2025

measured
Seafloor depth
514 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 8 sightings

measured
Seafloor depth
47 m – 514 m
Sea-surface temperature
—
Distance from shore
2.0 km – 11.0 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 8 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.