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

Ventana – Residency

33rd sighting in Monterey Bay
Fluke of Ventana
Ventana Confirmed in the catalog @113778
Jul 24 – Oct 27, 2025 · Monterey Bay

Monterey Bay · Jul – Oct 2025

189 m
Deepest dive
5:49
Longest dive
219
Dives
Sightings
19
Days between first and last sighting
95
Deepest dive on record
189 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 24, 202577 m—55 m
Oct 9, 202554 m—34 m
Oct 12, 2025228 m—85 m
Oct 13, 2025139 m—120 m
Oct 16, 202558 m—53 m
Oct 16, 2025567 m—53 m
Oct 17, 202572 m—51 m
Oct 18, 2025462 m—189 m
Oct 18, 2025254 m—85 m
Oct 18, 2025254 m—39 m
Oct 18, 202549 m—35 m
Oct 20, 202572 m—33 m
Oct 20, 202570 m—58 m
Oct 21, 202572 m—58 m
Oct 21, 202571 m—58 m
Oct 22, 202573 m—41 m
Oct 23, 202570 m—31 m
Oct 24, 2025567 m—185 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
Jul 24, 2025 — seafloor 77 m (measured), deepest dive 55 m (modelled)Jul 24Oct 9, 2025 — seafloor 54 m (measured), deepest dive 34 m (modelled)Oct 12, 2025 — seafloor 228 m (measured), deepest dive 85 m (modelled)Oct 13, 2025 — seafloor 139 m (measured), deepest dive 120 m (modelled)Oct 16, 2025 — seafloor 58 m (measured), deepest dive 53 m (modelled)Oct 16Oct 16, 2025 — seafloor 567 m (measured), deepest dive 53 m (modelled)Oct 17, 2025 — seafloor 72 m (measured), deepest dive 51 m (modelled)Oct 18, 2025 — seafloor 462 m (measured), deepest dive 189 m (modelled)Oct 18, 2025 — seafloor 254 m (measured), deepest dive 85 m (modelled)Oct 18Oct 18, 2025 — seafloor 254 m (measured), deepest dive 39 m (modelled)Oct 18, 2025 — seafloor 49 m (measured), deepest dive 35 m (modelled)Oct 20, 2025 — seafloor 72 m (measured), deepest dive 33 m (modelled)Oct 20, 2025 — seafloor 70 m (measured), deepest dive 58 m (modelled)Oct 20Oct 21, 2025 — seafloor 72 m (measured), deepest dive 58 m (modelled)Oct 21, 2025 — seafloor 71 m (measured), deepest dive 58 m (modelled)Oct 22, 2025 — seafloor 73 m (measured), deepest dive 41 m (modelled)Oct 23, 2025 — seafloor 70 m (measured), deepest dive 31 m (modelled)Oct 23Oct 24, 2025 — seafloor 567 m (measured), deepest dive 185 m (modelled)Oct 27, 2025 — seafloor 66 m (measured), deepest dive 44 m (modelled)

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

Dives

189 m
Deepest dive
5:49
Longest dive
219
Dives
27 m
Avg dive depth
19
Sightings
95
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200189 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (462 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 · Oct 18, 2025

measured
Seafloor depth
462 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 19 sightings

measured
Seafloor depth
49 m – 567 m
Sea-surface temperature
—
Distance from shore
2.0 km – 16.0 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 19 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.