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

Borahae – Residency

11th sighting in Monterey Bay
Fluke of Borahae
Borahae Confirmed in the catalog @41836
Mar 21 – Apr 24, 2024 · Monterey Bay

Monterey Bay · Mar – Apr 2024

105 m
Deepest dive
3:55
Longest dive
99
Dives
Sightings
9
Days between first and last sighting
34

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Mar 21, 202483 m—37 m
Mar 26, 202473 m—60 m
Apr 12, 2024161 m—84 m
Apr 12, 202496 m—88 m
Apr 15, 2024941 m—105 m
Apr 19, 202478 m—55 m
Apr 22, 2024209 m—60 m
Apr 23, 2024382 m—89 m
Apr 24, 2024170 m—36 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
Mar 21, 2024 — seafloor 83 m (measured), deepest dive 37 m (modelled)Mar 21Mar 26, 2024 — seafloor 73 m (measured), deepest dive 60 m (modelled)Mar 26Apr 12, 2024 — seafloor 161 m (measured), deepest dive 84 m (modelled)Apr 12Apr 12, 2024 — seafloor 96 m (measured), deepest dive 88 m (modelled)Apr 12Apr 15, 2024 — seafloor 941 m (measured), deepest dive 105 m (modelled)Apr 15Apr 19, 2024 — seafloor 78 m (measured), deepest dive 55 m (modelled)Apr 19Apr 22, 2024 — seafloor 209 m (measured), deepest dive 60 m (modelled)Apr 22Apr 23, 2024 — seafloor 382 m (measured), deepest dive 89 m (modelled)Apr 23Apr 24, 2024 — seafloor 170 m (measured), deepest dive 36 m (modelled)Apr 24

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

Dives

105 m
Deepest dive
3:55
Longest dive
99
Dives
27 m
Avg dive depth
9
Sightings
34
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150105 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (941 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 · Apr 15, 2024

measured
Seafloor depth
941 m
Sea-surface temperature
—
Distance from shore
14.0 km

Across the residency · 9 sightings

measured
Seafloor depth
73 m – 941 m
Sea-surface temperature
—
Distance from shore
4.0 km – 14.0 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 9 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.