Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

CRC-21754 – Residency

26th sighting in Monterey Bay
Fluke of CRC-21754
CRC-21754 Confirmed in the catalog @106623
Sep 7 – Oct 18, 2026 · Monterey Bay

Autumn Shelf, Old Ground

Cold water's up, feed's thick, and I'm easy to spot out here.

151 m
Deepest dive
5:50
Longest dive
123
Dives
Sightings
10
Days between first and last sighting
41
Deepest dive on record
151 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Sep 7, 202694 m15.6°C84 m
Sep 21, 2026188 m—63 m
Sep 21, 2026247 m—151 m
Sep 23, 2026120 m—76 m
Sep 25, 202682 m—59 m
Sep 28, 202689 m—72 m
Sep 29, 2026172 m—69 m
Sep 30, 2026148 m—42 m
Oct 3, 2026254 m—26 m
Oct 18, 2026254 m—45 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
Sep 7, 2026 — seafloor 94 m (measured), deepest dive 84 m (modelled)Sep 7Sep 21, 2026 — seafloor 188 m (measured), deepest dive 63 m (modelled)Sep 21Sep 21, 2026 — seafloor 247 m (measured), deepest dive 151 m (modelled)Sep 21Sep 23, 2026 — seafloor 120 m (measured), deepest dive 76 m (modelled)Sep 23Sep 25, 2026 — seafloor 82 m (measured), deepest dive 59 m (modelled)Sep 25Sep 28, 2026 — seafloor 89 m (measured), deepest dive 72 m (modelled)Sep 28Sep 29, 2026 — seafloor 172 m (measured), deepest dive 69 m (modelled)Sep 29Sep 30, 2026 — seafloor 148 m (measured), deepest dive 42 m (modelled)Sep 30Oct 3, 2026 — seafloor 254 m (measured), deepest dive 26 m (modelled)Oct 3Oct 18, 2026 — seafloor 254 m (measured), deepest dive 45 m (modelled)Oct 18

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

Dives

151 m
Deepest dive
5:50
Longest dive
123
Dives
30 m
Avg dive depth
10
Sightings
41
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200151 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (247 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.

Unlock with Risa Deep

Place

Where this happened · Sep 21, 2026

measured
Seafloor depth
247 m
Sea-surface temperature
—
Distance from shore
11.0 km

Across the residency · 10 sightings

measured
Seafloor depth
82 m – 254 m
Sea-surface temperature
15.6°C
Distance from shore
2.0 km – 11.0 km

Sources: GEBCO seafloor grid · 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.