Panulirus penicillatus

two-spined rock lobster | Pronghorn Spiny Lobster | Red Spiny Lobster | Taitung Spiny Lobster
Panulirus penicillatus
Panulirus penicillatus, Cocos Island, Costa Rica, Photo: Graham Edgar
Panulirus penicillatus
Panulirus penicillatus, Galapagos, Photo: Graham Edgar
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Panulirus penicillatus
Panulirus penicillatus


Tropical Eastern Pacific, Tropical Indo-Pacific




Max Size: 40 cm

Sea Temperature Range: 24-29.8°C

Depth: 1-16m

Habitat Generalization Index: N/A

Also referred to as the SGI (Species Generalisation Index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here.

Conservation and Rarity

IUCN Status: Least Concern

Occurrence: Frequent (10.1% of sites)

Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed

Abundance: Few (2 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.

Edit by: Joe Shields