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

Cantus – Residency

74th sighting in Monterey Bay
Fluke of Cantus
Cantus Confirmed in the catalog @14931
Sep 17 – Oct 30, 2023 · Monterey Bay

Monterey Bay · Sep – Oct 2023

133 m
Deepest dive
4:35
Longest dive
125
Dives
Sightings
9
Days between first and last sighting
43

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 17, 202379 m16.2°C39 m
Sep 20, 202371 m16.6°C38 m
Sep 26, 2023390 m17.1°C133 m
Oct 2, 2023122 m15.9°C79 m
Oct 2, 202384 m15.7°C75 m
Oct 9, 202386 m16.6°C79 m
Oct 9, 202380 m16.7°C36 m
Oct 15, 2023376 m15.9°C93 m
Oct 30, 2023202 m14.8°C39 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
Sep 17, 2023 — seafloor 79 m (measured), deepest dive 39 m (modelled)Sep 17Sep 20, 2023 — seafloor 71 m (measured), deepest dive 38 m (modelled)Sep 20Sep 26, 2023 — seafloor 390 m (measured), deepest dive 133 m (modelled)Sep 26Oct 2, 2023 — seafloor 122 m (measured), deepest dive 79 m (modelled)Oct 2Oct 2, 2023 — seafloor 84 m (measured), deepest dive 75 m (modelled)Oct 2Oct 9, 2023 — seafloor 86 m (measured), deepest dive 79 m (modelled)Oct 9Oct 9, 2023 — seafloor 80 m (measured), deepest dive 36 m (modelled)Oct 9Oct 15, 2023 — seafloor 376 m (measured), deepest dive 93 m (modelled)Oct 15Oct 30, 2023 — seafloor 202 m (measured), deepest dive 39 m (modelled)Oct 30

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

Dives

133 m
Deepest dive
4:35
Longest dive
125
Dives
23 m
Avg dive depth
9
Sightings
43
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150133 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (390 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 26, 2023

measured
Seafloor depth
390 m
Sea-surface temperature
17.1°C
Distance from shore
8.0 km

Across the residency · 9 sightings

measured
Seafloor depth
71 m – 390 m
Sea-surface temperature
14.8°C – 17.1°C
Distance from shore
3.0 km – 12.0 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 9 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.