Fauna
Invertebrate

Caribbean Spiny Lobster

Panulirus argus

Also known as Florida Spiny Lobster, West Indian Spiny Lobster, Bermuda Spiny Lobster

Caribbean spiny lobsters navigate coral reefs and seagrass beds at night using long, sensitive antennae to explore their surroundings and detect predators. During seasonal autumn storms, hundreds of individuals gather to march in single-file queues across the open seafloor toward deeper water. Lacking large crushing claws, they rely on a heavily armored, spiky carapace and powerful backward tail flips to escape danger.

NocturnalCrustaceanReef Dweller
—observations
—countries
—peak records
Data DeficientConservation statusIUCN Red List categoriesLCNTVUENCREWEXData Deficient — not placed on the risk ladderRed List categories, explained →
Diet & preySnails, Clams, Sea Urchins
Predators
  • Nurse Shark
  • Goliath Grouper
  • Caribbean Reef Octopus
ThreatsOverfishing, habitat degradation, coastal pollution, and viral infections
HabitatsCoral reefs, seagrass beds, mangrove roots, and rocky crevices
Life span15–20 years
  1. FamilyPalinuridae
  2. SpeciesPanulirus argus
Range data is not available yet.
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Sharp carapace spines and tail flippers can cause cuts if handled; observe without touching.
Why it is dangerous
Sharp, forward-pointing carapace spines and rapid tail thrusts can cause deep cuts or puncture wounds if handled.
How to recognize a risky encounter
Recognized by its yellowish-brown mottled body, dark tail spots, and long whip-like antennae without front claws.
What to do
Maintain a respectful distance underwater and avoid grabbing individuals from reef crevices.
Responsible observation
  • Night Spotting: Scan reef ledges after dusk to see long antennae extending from crevices.
  • Safe Distance: Do not reach into dark holes, as sharp spines can inflict severe scrapes.
  • Autumn Queues: Watch for long single-file migrations over sandy flats following early winter storms.
Help improve the field guideSomething wrong?

Report a name, category, or profile issue for review.

Checking your Fauna account…