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

Gulper – Residency

42nd sighting in Monterey Bay
Fluke of Gulper
Gulper Confirmed in the catalog @7103
Jun 25 – Sep 15, 2023 · Monterey Bay

Monterey Bay · Jun – Sep 2023

186 m
Deepest dive
7:10
Longest dive
126
Dives
Sightings
11
Days between first and last sighting
82
Deepest dive on record
186 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 25, 2023567 m14.5°C175 m
Jun 29, 2023324 m14.1°C87 m
Jul 1, 202383 m15.6°C34 m
Jul 1, 202377 m15.6°C38 m
Sep 3, 202342 m17.2°C35 m
Sep 3, 2023181 m17.1°C113 m
Sep 4, 2023115 m17.1°C69 m
Sep 4, 2023487 m17.0°C121 m
Sep 6, 2023553 m16.3°C186 m
Sep 6, 202385 m16.3°C35 m
Sep 15, 202327 m16.9°C18 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 25, 2023 — seafloor 567 m (measured), deepest dive 175 m (modelled)Jun 25Jun 29, 2023 — seafloor 324 m (measured), deepest dive 87 m (modelled)Jun 29Jul 1, 2023 — seafloor 83 m (measured), deepest dive 34 m (modelled)Jul 1Jul 1, 2023 — seafloor 77 m (measured), deepest dive 38 m (modelled)Jul 1Sep 3, 2023 — seafloor 42 m (measured), deepest dive 35 m (modelled)Sep 3Sep 3, 2023 — seafloor 181 m (measured), deepest dive 113 m (modelled)Sep 3Sep 4, 2023 — seafloor 115 m (measured), deepest dive 69 m (modelled)Sep 4Sep 4, 2023 — seafloor 487 m (measured), deepest dive 121 m (modelled)Sep 4Sep 6, 2023 — seafloor 553 m (measured), deepest dive 186 m (modelled)Sep 6Sep 6, 2023 — seafloor 85 m (measured), deepest dive 35 m (modelled)Sep 6Sep 15, 2023 — seafloor 27 m (measured), deepest dive 18 m (modelled)Sep 15

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

Dives

186 m
Deepest dive
7:10
Longest dive
126
Dives
26 m
Avg dive depth
11
Sightings
82
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200186 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (553 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 6, 2023

measured
Seafloor depth
553 m
Sea-surface temperature
16.3°C
Distance from shore
10.0 km

Across the residency · 11 sightings

measured
Seafloor depth
27 m – 567 m
Sea-surface temperature
14.1°C – 17.2°C
Distance from shore
2.0 km – 16.0 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.