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

Dragon – Residency

27th sighting in Monterey Bay
Fluke of Dragon
Dragon Confirmed in the catalog @1069
Aug 11 – Oct 21, 2024 · Monterey Bay

Monterey Bay · Aug – Oct 2024

84 m
Deepest dive
2:44
Longest dive
33
Dives
Sightings
4
Days between first and last sighting
71

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 11, 2024107 m14.0°C37 m
Oct 17, 202456 m15.3°C50 m
Oct 20, 202494 m14.5°C84 m
Oct 21, 202475 m14.6°C41 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 11, 2024 — seafloor 107 m (measured), deepest dive 37 m (modelled)Aug 11Oct 17, 2024 — seafloor 56 m (measured), deepest dive 50 m (modelled)Oct 17Oct 20, 2024 — seafloor 94 m (measured), deepest dive 84 m (modelled)Oct 20Oct 21, 2024 — seafloor 75 m (measured), deepest dive 41 m (modelled)Oct 21

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

Dives

84 m
Deepest dive
2:44
Longest dive
33
Dives
22 m
Avg dive depth
4
Sightings
71
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010084 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (94 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 · Oct 20, 2024

measured
Seafloor depth
94 m
Sea-surface temperature
14.5°C
Distance from shore
9.0 km

Across the residency · 4 sightings

measured
Seafloor depth
56 m – 107 m
Sea-surface temperature
14.0°C – 15.3°C
Distance from shore
4.0 km – 9.0 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 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.