Hyastenus diacanthus (de Haan, 1839)
Horn decorator crab
Hyastenus diacanthus
photo by Auscape International

Family:  Epialtidae ()
Max. size:  3.65 cm CW (male/unsexed)
Environment:  benthic; marine; depth range 15 - 170 m
Distribution:  Indo-West Pacific.
Diagnosis:   
Biology:  Maximum depth from Ref. 106287. Occurs in the lower intertidal shores and shallow subtidal area. Attach hydroids, sponges, bryozoans, compound ascidians, and pieces of algae onto its carapace (Ref. 108033). Found on substrates ranging from muddy, sandy, to shelly (Ref. 125642).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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