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

Old Bull – Residency

3rd sighting in Monterey Bay
Fluke of Old Bull
Old Bull Confirmed in the catalog @1487
Sep 12 – Nov 27, 2015 · Monterey Bay

Monterey Bay · Sep – Nov 2015

231 m
Deepest dive
7:00
Longest dive
44
Dives
Sightings
3
Days between first and last sighting
76

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 12, 201598 m17.0°C71 m
Sep 25, 2015254 m17.6°C63 m
Nov 27, 2015254 m13.0°C231 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 12, 2015 — seafloor 98 m (measured), deepest dive 71 m (modelled)Sep 12Sep 25, 2015 — seafloor 254 m (measured), deepest dive 63 m (modelled)Sep 25Nov 27, 2015 — seafloor 254 m (measured), deepest dive 231 m (modelled)Nov 27

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

Dives

231 m
Deepest dive
7:00
Longest dive
44
Dives
40 m
Avg dive depth
3
Sightings
76
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0125250231 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (254 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 · Nov 27, 2015

measured
Seafloor depth
254 m
Sea-surface temperature
13.0°C
Distance from shore
4.0 km

Across the residency · 3 sightings

measured
Seafloor depth
98 m – 254 m
Sea-surface temperature
13.0°C – 17.6°C
Distance from shore
2.0 km – 4.0 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.