Macro-shop diversity. Boxer crabs hold anemones like pom-poms. Decorator crabs glue sponges to their backs.
Reef crabs are the macro-photographer's deep well — boxer crabs (Lybia spp.) hold venomous anemones in each claw like pom-poms; decorator crabs glue sponges and algae to their carapace; porcelain crabs filter-feed inside anemones; orangutan crabs hide in bubble corals.
Most are cryptic — you walk your eyes slowly across substrate for shapes that don't quite match the background. Local guides know specific sponge or coral hosts for each crab species.
Lembeh, Anilao, Bali (Tulamben), Andaman muck sites. Every dive in a serious macro destination produces 3–5 crab species if your guide is sharp-eyed.
Tap a month to highlight it across destinations, or hover any cell for details.
19 destinations across Goa, Andamans, SE Asia, Indian Ocean, Arabian Gulf, East Africa, Maharashtra — peak seasons vary by location, so plan your trip around the right destination AND the right month.
Tier 1Reef Crabs here: Jan–May, Oct–Dec · 12 sites
Tier 2Reef Crabs here: Jan–Apr, Dec · 30 sites
Tier 1Reef Crabs here: Apr–Nov · 35 sites
Tier 1Reef Crabs here: Feb–Sep · 25 sites
Tier 1Reef Crabs here: Jan–Apr, Nov–Dec · 40 sites
Tier 2Reef Crabs here: Jan–Apr, Nov–Dec · 15 sites
Tier 2Reef Crabs here: Apr–Nov · 25 sites
Tier 2Reef Crabs here: Jan–May, Dec · 30 sites
Tier 2Reef Crabs here: Jan–Apr, Oct–Dec · 25 sites
Tier 2Reef Crabs here: Jan–Apr, Sep–Dec · 20 sites
Tier 4Coming soonReef Crabs here: Jan–May, Oct–Dec · 15 sites
Tier 3Reef Crabs here: Apr–Nov · 40 sites
Tier 3Coming soonReef Crabs here: Jan–Feb, Jul–Dec · 22 sites
Tier 3Coming soonReef Crabs here: Apr–Oct · 12 sites
Tier 3Coming soonReef Crabs here: Jan–May, Nov–Dec · 20 sites
Tier 3Coming soonReef Crabs here: Mar–Oct · 18 sites
Tier 4Coming soonReef Crabs here: Apr–May, Sep–Nov · 30 sites
Tier 4Coming soonReef Crabs here: Jan–Apr, Oct–Dec · 50 sites
Tier 2Coming soonReef Crabs here: Jan–May, Oct–Dec · 6 sites
Real, curated expeditions — or a custom trip built around the best season and destination to encounter reef crabs.
Browse our curated, small-group dive trips — fixed dates, vetted partner operators, zero agency fee. Or tell us your dates and we'll build a custom trip around the best season and destinations to encounter reef crabs.
Tell us when you can travel and your certification level — we'll match the right destination, the right season, and the right trip for diving with reef crabs.
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