Phallostethus dunckeri Regan, 1913

Family:  Phallostethidae (Priapiumfishes)
Max. size: 
Environment:  pelagic; freshwater
Distribution:  Asia: Malaysia.
Diagnosis:  Differs from all congeners by having the following characters: second ctenactinium with five serrae in adult males; 27 caudal vertebrae with no sexual dimorphism in the number of precaudal vertebrae; 15-20 teeth on paradentary; one and two known males are sinistral and dextral respectively (Ref. 90869).
Biology:  Fertilization is internal and eggs are attached to the substrate via adhesive filaments (Ref. 43413).
IUCN Red List Status: Vulnerable (VU); Date assessed: 17 December 2019 (B1ab(iii)) Ref. (130435)
Threat to humans:  harmless


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