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

2021-2022 calf of Jolly Roger – Residency

5th sighting in Monterey Bay
Fluke of 2021-2022 calf of Jolly Roger
2021-2022 calf of Jolly Roger Confirmed in the catalog @81854
Jun 24 – Jul 26, 2022 · Monterey Bay

Monterey Bay · Jun – Jul 2022

99 m
Deepest dive
4:13
Longest dive
98
Dives
Sightings
5
Days between first and last sighting
32

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 24, 2022608 m—90 m
Jul 18, 202281 m—69 m
Jul 19, 2022111 m—99 m
Jul 25, 202283 m—55 m
Jul 26, 2022485 m—59 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 24, 2022 — seafloor 608 m (measured), deepest dive 90 m (modelled)Jun 24Jul 18, 2022 — seafloor 81 m (measured), deepest dive 69 m (modelled)Jul 18Jul 19, 2022 — seafloor 111 m (measured), deepest dive 99 m (modelled)Jul 19Jul 25, 2022 — seafloor 83 m (measured), deepest dive 55 m (modelled)Jul 25Jul 26, 2022 — seafloor 485 m (measured), deepest dive 59 m (modelled)Jul 26

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

Dives

99 m
Deepest dive
4:13
Longest dive
98
Dives
27 m
Avg dive depth
5
Sightings
32
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010099 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (111 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.

Unlock with Risa Deep

Place

Where this happened · Jul 19, 2022

measured
Seafloor depth
111 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 5 sightings

measured
Seafloor depth
81 m – 608 m
Sea-surface temperature
—
Distance from shore
3.0 km – 10.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 5 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.