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

Duke of Flukington – Residency

29th sighting in Monterey Bay
Fluke of Duke of Flukington
Duke of Flukington Confirmed in the catalog @1400
Jun 22 – Sep 23, 2026 · Monterey Bay

Silver Bay, Best Bay

Bay's gone thick with anchovies again — I'm not leaving this water.

84 m
Deepest dive
2:49
Longest dive
27
Dives
Sightings
3
Days between first and last sighting
93

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 22, 2026332 m16.6°C84 m
Jun 25, 2026465 m16.0°C46 m
Sep 23, 2026254 m17.0°C40 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 22, 2026 — seafloor 332 m (measured), deepest dive 84 m (modelled)Jun 22Jun 25, 2026 — seafloor 465 m (measured), deepest dive 46 m (modelled)Jun 25Sep 23, 2026 — seafloor 254 m (measured), deepest dive 40 m (modelled)Sep 23

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

Dives

84 m
Deepest dive
2:49
Longest dive
27
Dives
20 m
Avg dive depth
3
Sightings
93
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 (332 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 · Jun 22, 2026

measured
Seafloor depth
332 m
Sea-surface temperature
16.6°C
Distance from shore
9.0 km

Across the residency · 3 sightings

measured
Seafloor depth
254 m – 465 m
Sea-surface temperature
16.0°C – 17.0°C
Distance from shore
3.0 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 3 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.