Pronghorn spiny lobster
Panulirus penicillatus

Illustration: Bloom by Day
A dark green to blue-black spiny lobster speckled with tiny white dots, with pale streaks down the legs and long banded antennae. It lives in surge channels and the broken rock of exposed reef fronts, usually wedged in with only the antennae out.
facts
- habitat
- reef
- size
- ~20 cm, to 40 cm
Bluebird, approximate - not from a cited source
- records
- 6 at 6 spot(s), none of
them in this region
Recorded at Frankland Islands (Cairns), Lady Elliot Island (GBR), Point Lookout (N Stradbroke), Cylinder Beach (N Stradbroke), Amity Point (N Stradbroke — Bay), Dunwich Jetty (N Stradbroke — Bay).
A count of occurrence records, not abundance. Records are where someone
looked.
when it has been recorded
JFMAMJJASOND
A gap means no record in the sample, not absence.
the rule
QLD — None · Combined limit: 5 per person, or 10 per boat (with 2 or more people on board) in total of all tropical rocklobster species
no NSW rule listed — check before you dive
no closed season recorded for this species — that is not the same as open; check the official page
Rules checked 2026-10-13 against qld.gov.au
Rules change. Check before you dive.
See where it lives → bloombyday.com, the live map
Diving today? → bluebirdday.app, the swell, wind and viz forecast