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

Gulper – Residency

31st sighting in Monterey Bay
Fluke of Gulper
Gulper Confirmed in the catalog @7103
Aug 14 – 17, 2021 · Monterey Bay

Monterey Bay · Aug 2021

176 m
Deepest dive
5:56
Longest dive
37
Dives
Sightings
5
Days between first and last sighting
3

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 14, 202186 m16.0°C46 m
Aug 14, 202165 m16.0°C25 m
Aug 15, 2021393 m16.1°C176 m
Aug 15, 202156 m16.0°C44 m
Aug 17, 202161 m16.3°C52 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
Aug 14, 2021 — seafloor 86 m (measured), deepest dive 46 m (modelled)Aug 14Aug 14, 2021 — seafloor 65 m (measured), deepest dive 25 m (modelled)Aug 14Aug 15, 2021 — seafloor 393 m (measured), deepest dive 176 m (modelled)Aug 15Aug 15, 2021 — seafloor 56 m (measured), deepest dive 44 m (modelled)Aug 15Aug 17, 2021 — seafloor 61 m (measured), deepest dive 52 m (modelled)Aug 17

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

Dives

176 m
Deepest dive
5:56
Longest dive
37
Dives
27 m
Avg dive depth
5
Sightings
3
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200176 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (393 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 · Aug 15, 2021

measured
Seafloor depth
393 m
Sea-surface temperature
16.1°C
Distance from shore
8.0 km

Across the residency · 5 sightings

measured
Seafloor depth
56 m – 393 m
Sea-surface temperature
16.0°C – 16.3°C
Distance from shore
2.0 km – 8.0 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 5 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.