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Monterey Bay

Murph - 2018-2019 calf of Ruth – Residency

102nd sighting in Monterey Bay
Fluke of Murph - 2018-2019 calf of Ruth
Murph - 2018-2019 calf of Ruth Confirmed in the catalog @34578
May 2 – Sep 13, 2025 · Monterey Bay

Monterey Bay · May – Sep 2025

124 m
Deepest dive
3:57
Longest dive
76
Dives
Sightings
10
Days between first and last sighting
135

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 2, 202555 m13.2°C38 m
May 8, 2025601 m13.2°C38 m
May 10, 2025881 m13.8°C124 m
May 12, 202557 m13.6°C48 m
May 18, 2025567 m11.6°C82 m
May 25, 202565 m13.1°C41 m
Jun 27, 202573 m12.9°C33 m
Aug 16, 2025107 m15.5°C81 m
Sep 10, 202571 m17.2°C55 m
Sep 13, 2025314 m16.8°C92 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 2, 2025 — seafloor 55 m (measured), deepest dive 38 m (modelled)May 2May 8, 2025 — seafloor 601 m (measured), deepest dive 38 m (modelled)May 8May 10, 2025 — seafloor 881 m (measured), deepest dive 124 m (modelled)May 10May 12, 2025 — seafloor 57 m (measured), deepest dive 48 m (modelled)May 12May 18, 2025 — seafloor 567 m (measured), deepest dive 82 m (modelled)May 18May 25, 2025 — seafloor 65 m (measured), deepest dive 41 m (modelled)May 25Jun 27, 2025 — seafloor 73 m (measured), deepest dive 33 m (modelled)Jun 27Aug 16, 2025 — seafloor 107 m (measured), deepest dive 81 m (modelled)Aug 16Sep 10, 2025 — seafloor 71 m (measured), deepest dive 55 m (modelled)Sep 10Sep 13, 2025 — seafloor 314 m (measured), deepest dive 92 m (modelled)Sep 13

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

Dives

124 m
Deepest dive
3:57
Longest dive
76
Dives
24 m
Avg dive depth
10
Sightings
135
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150124 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (881 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 · May 10, 2025

measured
Seafloor depth
881 m
Sea-surface temperature
13.8°C
Distance from shore
12.0 km

Across the residency · 10 sightings

measured
Seafloor depth
55 m – 881 m
Sea-surface temperature
11.6°C – 17.2°C
Distance from shore
2.0 km – 23.0 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.