Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

CRC-21421 – Residency

14th sighting in Monterey Bay
Fluke of CRC-21421
CRC-21421 Confirmed in the catalog @93977
Aug 30 – Sep 19, 2026 · Monterey Bay

Same Shelf, Same Feast

Stuck around the drop-off, folded into the lunging crowd again.

124 m
Deepest dive
3:51
Longest dive
58
Dives
Sightings
6
Days between first and last sighting
20
Deepest dive on record
124 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 30, 202685 m15.2°C53 m
Aug 31, 2026567 m15.5°C44 m
Sep 1, 2026254 m15.2°C124 m
Sep 3, 2026229 m15.3°C90 m
Sep 5, 2026110 m16.0°C47 m
Sep 19, 2026238 m—33 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
Aug 30, 2026 — seafloor 85 m (measured), deepest dive 53 m (modelled)Aug 30Aug 31, 2026 — seafloor 567 m (measured), deepest dive 44 m (modelled)Aug 31Sep 1, 2026 — seafloor 254 m (measured), deepest dive 124 m (modelled)Sep 1Sep 3, 2026 — seafloor 229 m (measured), deepest dive 90 m (modelled)Sep 3Sep 5, 2026 — seafloor 110 m (measured), deepest dive 47 m (modelled)Sep 5Sep 19, 2026 — seafloor 238 m (measured), deepest dive 33 m (modelled)Sep 19

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

Dives

124 m
Deepest dive
3:51
Longest dive
58
Dives
23 m
Avg dive depth
6
Sightings
20
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150124 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (254 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 1, 2026

measured
Seafloor depth
254 m
Sea-surface temperature
15.2°C
Distance from shore
4.0 km

Across the residency · 6 sightings

measured
Seafloor depth
85 m – 567 m
Sea-surface temperature
15.2°C – 16.0°C
Distance from shore
3.0 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 6 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.