Quadrella boopsis 
Racilius compressus 
Randall's Pistol Shrimp 
Red Coral Crab 
Red Hermit Crab 
Red land crab 
Red reef lobster 
Red Rock Crab 
Red Rock Crab 
Red Spotted Guard Crab 
Red Swimming Crab 
Red-eyed Flat Crab 
Red-eyed Reef Crab 
Red-Fingered Coral Crab 
Red-spotted box crab 
Red-spotted white crab 
Redbacked Cleaner Shrimp 
Ridged swimming crab 
Right Handed Coral Hermit Crab 
Ring-legged Fiddler Crab 
Rock Crab 
Rockpool Prawn 
Rough box crab 
Rough Rock Crab