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Monterey Bay

Graybo – Residency

16th sighting in Monterey Bay
Fluke of Graybo
Graybo Confirmed in the catalog @93972
Apr 15 – Jun 16, 2023 · Monterey Bay

Monterey Bay · Apr – Jun 2023

217 m
Deepest dive
7:42
Longest dive
206
Dives
Sightings
16
Days between first and last sighting
62

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 15, 202371 m10.9°C42 m
Apr 16, 2023152 m10.9°C46 m
Apr 18, 2023225 m11.2°C147 m
Apr 20, 2023241 m11.5°C217 m
Apr 21, 202394 m10.2°C66 m
Apr 22, 2023399 m10.9°C104 m
Apr 24, 202369 m12.5°C16 m
Apr 25, 202389 m11.8°C82 m
Apr 26, 202399 m11.5°C53 m
Apr 27, 2023164 m11.5°C77 m
Apr 28, 202364 m11.8°C45 m
May 6, 2023262 m12.3°C41 m
May 8, 2023110 m12.6°C67 m
Jun 1, 2023107 m13.7°C65 m
Jun 15, 202378 m15.1°C28 m
Jun 16, 202378 m15.2°C65 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
Apr 15, 2023 — seafloor 71 m (measured), deepest dive 42 m (modelled)Apr 15Apr 16, 2023 — seafloor 152 m (measured), deepest dive 46 m (modelled)Apr 18, 2023 — seafloor 225 m (measured), deepest dive 147 m (modelled)Apr 20, 2023 — seafloor 241 m (measured), deepest dive 217 m (modelled)Apr 20Apr 21, 2023 — seafloor 94 m (measured), deepest dive 66 m (modelled)Apr 22, 2023 — seafloor 399 m (measured), deepest dive 104 m (modelled)Apr 24, 2023 — seafloor 69 m (measured), deepest dive 16 m (modelled)Apr 24Apr 25, 2023 — seafloor 89 m (measured), deepest dive 82 m (modelled)Apr 26, 2023 — seafloor 99 m (measured), deepest dive 53 m (modelled)Apr 27, 2023 — seafloor 164 m (measured), deepest dive 77 m (modelled)Apr 27Apr 28, 2023 — seafloor 64 m (measured), deepest dive 45 m (modelled)May 6, 2023 — seafloor 262 m (measured), deepest dive 41 m (modelled)May 8, 2023 — seafloor 110 m (measured), deepest dive 67 m (modelled)May 8Jun 1, 2023 — seafloor 107 m (measured), deepest dive 65 m (modelled)Jun 15, 2023 — seafloor 78 m (measured), deepest dive 28 m (modelled)Jun 16, 2023 — seafloor 78 m (measured), deepest dive 65 m (modelled)Jun 16

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

Dives

217 m
Deepest dive
7:42
Longest dive
206
Dives
24 m
Avg dive depth
16
Sightings
62
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0125250217 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (241 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 · Apr 20, 2023

measured
Seafloor depth
241 m
Sea-surface temperature
11.5°C
Distance from shore
5.0 km

Across the residency · 16 sightings

measured
Seafloor depth
64 m – 399 m
Sea-surface temperature
10.2°C – 15.2°C
Distance from shore
2.0 km – 15.0 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 16 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.