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Monterey Bay

Ratchet – Residency

159th sighting in Monterey Bay
Fluke of Ratchet
Ratchet Confirmed in the catalog @7272
Jun 23 – Oct 17, 2024 · Monterey Bay

Monterey Bay · Jun – Oct 2024

269 m
Deepest dive
10:53
Longest dive
87
Dives
Sightings
9
Days between first and last sighting
116

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 23, 2024819 m12.9°C269 m
Jul 16, 2024213 m15.4°C38 m
Aug 15, 2024107 m13.6°C41 m
Aug 17, 2024553 m14.1°C50 m
Aug 18, 2024107 m14.0°C32 m
Sep 10, 2024100 m15.5°C31 m
Sep 16, 202487 m14.9°C78 m
Oct 2, 202434 m16.6°C27 m
Oct 17, 202469 m15.3°C47 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 23, 2024 — seafloor 819 m (measured), deepest dive 269 m (modelled)Jun 23Jul 16, 2024 — seafloor 213 m (measured), deepest dive 38 m (modelled)Jul 16Aug 15, 2024 — seafloor 107 m (measured), deepest dive 41 m (modelled)Aug 15Aug 17, 2024 — seafloor 553 m (measured), deepest dive 50 m (modelled)Aug 17Aug 18, 2024 — seafloor 107 m (measured), deepest dive 32 m (modelled)Aug 18Sep 10, 2024 — seafloor 100 m (measured), deepest dive 31 m (modelled)Sep 10Sep 16, 2024 — seafloor 87 m (measured), deepest dive 78 m (modelled)Sep 16Oct 2, 2024 — seafloor 34 m (measured), deepest dive 27 m (modelled)Oct 2Oct 17, 2024 — seafloor 69 m (measured), deepest dive 47 m (modelled)Oct 17

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

Dives

269 m
Deepest dive
10:53
Longest dive
87
Dives
26 m
Avg dive depth
9
Sightings
116
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0150300269 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (819 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 · Jun 23, 2024

measured
Seafloor depth
819 m
Sea-surface temperature
12.9°C
Distance from shore
9.0 km

Across the residency · 9 sightings

measured
Seafloor depth
34 m – 819 m
Sea-surface temperature
12.9°C – 16.6°C
Distance from shore
3.0 km – 14.0 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 9 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.