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Monterey Bay

Murph - 2018-2019 calf of Ruth – Residency

112th sighting in Monterey Bay
Fluke of Murph - 2018-2019 calf of Ruth
Murph - 2018-2019 calf of Ruth Confirmed in the catalog @34578
May 19 – Oct 20, 2026 · Monterey Bay

Green Water Season

Early summer light, shelf edge close, and I already knew where to feed.

106 m
Deepest dive
3:09
Longest dive
69
Dives
Sightings
10
Days between first and last sighting
154

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 19, 202696 m11.6°C12 m
May 21, 202662 m11.6°C45 m
May 22, 202656 m12.0°C32 m
May 23, 202672 m12.4°C56 m
Jun 20, 202649 m16.9°C43 m
Jul 1, 202627 m15.6°C14 m
Sep 24, 2026231 m16.8°C106 m
Sep 25, 2026207 m16.6°C70 m
Sep 28, 202668 m16.5°C38 m
Oct 20, 202689 m19.2°C44 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
May 19, 2026 — seafloor 96 m (measured), deepest dive 12 m (modelled)May 19May 21, 2026 — seafloor 62 m (measured), deepest dive 45 m (modelled)May 21May 22, 2026 — seafloor 56 m (measured), deepest dive 32 m (modelled)May 22May 23, 2026 — seafloor 72 m (measured), deepest dive 56 m (modelled)May 23Jun 20, 2026 — seafloor 49 m (measured), deepest dive 43 m (modelled)Jun 20Jul 1, 2026 — seafloor 27 m (measured), deepest dive 14 m (modelled)Jul 1Sep 24, 2026 — seafloor 231 m (measured), deepest dive 106 m (modelled)Sep 24Sep 25, 2026 — seafloor 207 m (measured), deepest dive 70 m (modelled)Sep 25Sep 28, 2026 — seafloor 68 m (measured), deepest dive 38 m (modelled)Sep 28Oct 20, 2026 — seafloor 89 m (measured), deepest dive 44 m (modelled)Oct 20

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

Dives

106 m
Deepest dive
3:09
Longest dive
69
Dives
19 m
Avg dive depth
10
Sightings
154
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150106 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (231 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
231 m
Sea-surface temperature
16.8°C
Distance from shore
4.0 km

Across the residency · 10 sightings

measured
Seafloor depth
27 m – 231 m
Sea-surface temperature
11.6°C – 19.2°C
Distance from shore
2.0 km – 9.0 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 10 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.