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

Jackhammer McFluky – Residency

32nd sighting in Monterey Bay
Fluke of Jackhammer McFluky
Jackhammer McFluky Confirmed in the catalog @839
Oct 7 – 16, 2024 · Monterey Bay

Monterey Bay · Oct 2024

135 m
Deepest dive
4:04
Longest dive
42
Dives
Sightings
4
Days between first and last sighting
9

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Oct 7, 2024159 m—135 m
Oct 13, 2024114 m—51 m
Oct 14, 2024233 m—101 m
Oct 16, 202452 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
Oct 7, 2024 — seafloor 159 m (measured), deepest dive 135 m (modelled)Oct 7Oct 13, 2024 — seafloor 114 m (measured), deepest dive 51 m (modelled)Oct 13Oct 14, 2024 — seafloor 233 m (measured), deepest dive 101 m (modelled)Oct 14Oct 16, 2024 — seafloor 52 m (measured), deepest dive 36 m (modelled)Oct 16

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

Dives

135 m
Deepest dive
4:04
Longest dive
42
Dives
27 m
Avg dive depth
4
Sightings
9
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150135 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (159 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 · Oct 7, 2024

measured
Seafloor depth
159 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
52 m – 233 m
Sea-surface temperature
—
Distance from shore
4.0 km – 13.0 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 4 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.