Occurs more offshore in slightly deeper waters; at 50+m with complex habitat of a mixed reef and sandy habitat with two paratypes collected from the continental shelf .
This species is distinguished by its red colour, and pink vertical bars that extend halfway up the body to the lateral trunk ridges; it has 18 trunk segments; head crest without appendage; enlarged pectoral area; dorsally enlarged spine on trunk ring 11 that is pointed forward; a pair of enlarged ventral spines on rings 8 and 17; the body deepest on ring 12, behind dorsal spine; spines on lateral trunk ridge are not continuous with lateral tail ridges .: other; Cross section: angular.
Behavioural data for Ruby seadragon is currently being reviewed.
Marine; reef-associated; depth range 50 - 72 m . Tropical Indian Ocean: Western Australia.
The following diseases are known to affect Ruby seadragon.
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