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Monterey Bay

Ratchet – Residency

105th sighting in Monterey Bay
Fluke of Ratchet
Ratchet Confirmed in the catalog @7272
Jun 14 – Oct 13, 2020 · Monterey Bay

Monterey Bay · Jun – Oct 2020

304 m
Deepest dive
9:24
Longest dive
295
Dives
Sightings
22
Days between first and last sighting
121
Deepest dive on record
304 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 14, 202050 m13.5°C22 m
Jun 17, 202053 m14.9°C39 m
Jun 20, 202092 m14.1°C74 m
Jun 27, 202027 m15.1°C25 m
Jun 28, 202091 m14.8°C42 m
Jul 5, 202046 m15.5°C41 m
Jul 9, 202080 m14.6°C55 m
Jul 10, 202063 m12.9°C57 m
Jul 11, 202073 m12.2°C40 m
Jul 12, 202089 m13.5°C43 m
Jul 13, 202077 m13.7°C61 m
Jul 14, 202059 m13.8°C51 m
Sep 14, 2020567 m15.6°C212 m
Sep 15, 2020142 m15.3°C110 m
Sep 15, 2020122 m15.2°C45 m
Sep 15, 202084 m15.3°C70 m
Sep 22, 2020358 m15.3°C304 m
Sep 27, 2020140 m16.0°C39 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 14, 2020 — seafloor 50 m (measured), deepest dive 22 m (modelled)Jun 14Jun 17, 2020 — seafloor 53 m (measured), deepest dive 39 m (modelled)Jun 20, 2020 — seafloor 92 m (measured), deepest dive 74 m (modelled)Jun 27, 2020 — seafloor 27 m (measured), deepest dive 25 m (modelled)Jun 28, 2020 — seafloor 91 m (measured), deepest dive 42 m (modelled)Jun 28Jul 5, 2020 — seafloor 46 m (measured), deepest dive 41 m (modelled)Jul 9, 2020 — seafloor 80 m (measured), deepest dive 55 m (modelled)Jul 10, 2020 — seafloor 63 m (measured), deepest dive 57 m (modelled)Jul 11, 2020 — seafloor 73 m (measured), deepest dive 40 m (modelled)Jul 11Jul 12, 2020 — seafloor 89 m (measured), deepest dive 43 m (modelled)Jul 13, 2020 — seafloor 77 m (measured), deepest dive 61 m (modelled)Jul 14, 2020 — seafloor 59 m (measured), deepest dive 51 m (modelled)Sep 14, 2020 — seafloor 567 m (measured), deepest dive 212 m (modelled)Sep 14Sep 15, 2020 — seafloor 142 m (measured), deepest dive 110 m (modelled)Sep 15, 2020 — seafloor 122 m (measured), deepest dive 45 m (modelled)Sep 15, 2020 — seafloor 84 m (measured), deepest dive 70 m (modelled)Sep 22, 2020 — seafloor 358 m (measured), deepest dive 304 m (modelled)Sep 22Sep 27, 2020 — seafloor 140 m (measured), deepest dive 39 m (modelled)Sep 29, 2020 — seafloor 59 m (measured), deepest dive 51 m (modelled)Oct 3, 2020 — seafloor 101 m (measured), deepest dive 46 m (modelled)Oct 8, 2020 — seafloor 567 m (measured), deepest dive 74 m (modelled)Oct 8Oct 13, 2020 — seafloor 238 m (measured), deepest dive 102 m (modelled)

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

Dives

304 m
Deepest dive
9:24
Longest dive
295
Dives
24 m
Avg dive depth
22
Sightings
121
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0175350304 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (358 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 22, 2020

measured
Seafloor depth
358 m
Sea-surface temperature
15.3°C
Distance from shore
8.0 km

Across the residency · 22 sightings

measured
Seafloor depth
27 m – 567 m
Sea-surface temperature
12.2°C – 16.6°C
Distance from shore
2.0 km – 16.0 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 22 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.