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

Caesar – Residency

67th sighting in Monterey Bay
Fluke of Caesar
Caesar Confirmed in the catalog @21
Jul 10 – Oct 4, 2023 · Monterey Bay

Monterey Bay · Jul – Oct 2023

59 m
Deepest dive
3:44
Longest dive
47
Dives
Sightings
4
Days between first and last sighting
86

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 10, 2023103 m14.6°C55 m
Jul 14, 2023133 m14.7°C55 m
Oct 2, 202384 m15.7°C59 m
Oct 4, 202317 m17.0°C14 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
Jul 10, 2023 — seafloor 103 m (measured), deepest dive 55 m (modelled)Jul 10Jul 14, 2023 — seafloor 133 m (measured), deepest dive 55 m (modelled)Jul 14Oct 2, 2023 — seafloor 84 m (measured), deepest dive 59 m (modelled)Oct 2Oct 4, 2023 — seafloor 17 m (measured), deepest dive 14 m (modelled)Oct 4

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

Dives

59 m
Deepest dive
3:44
Longest dive
47
Dives
19 m
Avg dive depth
4
Sightings
86
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010059 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (84 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 2, 2023

measured
Seafloor depth
84 m
Sea-surface temperature
15.7°C
Distance from shore
12.0 km

Across the residency · 4 sightings

measured
Seafloor depth
17 m – 133 m
Sea-surface temperature
14.6°C – 17.0°C
Distance from shore
1.0 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 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.