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Monterey Bay

Long John Silver – Residency

33rd sighting in Monterey Bay
Fluke of Long John Silver
Long John Silver Confirmed in the catalog @1417
May 6 – Sep 1, 2025 · Monterey Bay

Monterey Bay · May – Sep 2025

209 m
Deepest dive
7:03
Longest dive
132
Dives
Sightings
11
Days between first and last sighting
118

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 6, 2025567 m11.7°C209 m
May 7, 2025100 m12.3°C90 m
May 8, 2025601 m13.2°C165 m
May 10, 2025881 m13.8°C146 m
Jul 6, 202558 m13.8°C29 m
Jul 7, 202575 m13.7°C43 m
Jul 7, 202555 m13.8°C38 m
Jul 8, 202572 m13.6°C55 m
Jul 9, 202563 m13.5°C58 m
Jul 25, 202538 m16.2°C9 m
Sep 1, 202590 m16.7°C27 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
May 6, 2025 — seafloor 567 m (measured), deepest dive 209 m (modelled)May 6May 7, 2025 — seafloor 100 m (measured), deepest dive 90 m (modelled)May 7May 8, 2025 — seafloor 601 m (measured), deepest dive 165 m (modelled)May 8May 10, 2025 — seafloor 881 m (measured), deepest dive 146 m (modelled)May 10Jul 6, 2025 — seafloor 58 m (measured), deepest dive 29 m (modelled)Jul 6Jul 7, 2025 — seafloor 75 m (measured), deepest dive 43 m (modelled)Jul 7Jul 7, 2025 — seafloor 55 m (measured), deepest dive 38 m (modelled)Jul 7Jul 8, 2025 — seafloor 72 m (measured), deepest dive 55 m (modelled)Jul 8Jul 9, 2025 — seafloor 63 m (measured), deepest dive 58 m (modelled)Jul 9Jul 25, 2025 — seafloor 38 m (measured), deepest dive 9 m (modelled)Jul 25Sep 1, 2025 — seafloor 90 m (measured), deepest dive 27 m (modelled)Sep 1

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

Dives

209 m
Deepest dive
7:03
Longest dive
132
Dives
26 m
Avg dive depth
11
Sightings
118
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0125250209 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (567 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 · May 6, 2025

measured
Seafloor depth
567 m
Sea-surface temperature
11.7°C
Distance from shore
16.0 km

Across the residency · 11 sightings

measured
Seafloor depth
38 m – 881 m
Sea-surface temperature
11.7°C – 16.7°C
Distance from shore
1.0 km – 23.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 11 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.