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

2017-2018 calf of JoJo – Residency

29th sighting in Monterey Bay
Fluke of 2017-2018 calf of JoJo
2017-2018 calf of JoJo Confirmed in the catalog @24649
Sep 22 – Oct 4, 2026 · Monterey Bay

Krill Stacks, Home Water

Autumn found me exactly where the krill piles thick—Monterey never lets me down.

187 m
Deepest dive
4:48
Longest dive
82
Dives
Sightings
5
Days between first and last sighting
12
Deepest dive on record
187 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 22, 2026163 m—131 m
Sep 24, 2026237 m—187 m
Sep 27, 202678 m—66 m
Oct 3, 2026245 m—26 m
Oct 4, 2026361 m—151 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 22, 2026 — seafloor 163 m (measured), deepest dive 131 m (modelled)Sep 22Sep 24, 2026 — seafloor 237 m (measured), deepest dive 187 m (modelled)Sep 24Sep 27, 2026 — seafloor 78 m (measured), deepest dive 66 m (modelled)Sep 27Oct 3, 2026 — seafloor 245 m (measured), deepest dive 26 m (modelled)Oct 3Oct 4, 2026 — seafloor 361 m (measured), deepest dive 151 m (modelled)Oct 4

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

Dives

187 m
Deepest dive
4:48
Longest dive
82
Dives
30 m
Avg dive depth
5
Sightings
12
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200187 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (237 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 24, 2026

measured
Seafloor depth
237 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 5 sightings

measured
Seafloor depth
78 m – 361 m
Sea-surface temperature
—
Distance from shore
2.0 km – 8.0 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).

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