Spinilophus armatus (Valenciennes, 1841)
New Ireland stingaree
Spinilophus armatus
photo by FAO

Family:  Urolophidae (Round rays)
Max. size:  17.4 cm TL (male/unsexed)
Environment:  demersal; marine
Distribution:  Western Central Pacific: known only from New Ireland (Bismarck Archipelago). Possibly New Guinea (Ref. 9863).
Diagnosis:  This species is distinguished by the following characters: dorsal disc with a prominent mid-scapular thorn and dermal denticles which are small, spinular, partly embedded and are restricted to the snout, supraorbital, interorbital and mid-lumbar regions and midline of the tail; nasal capsules are oval, relatively broad and short; the ischiopubic bar of pelvic girdle is strongly arched with concave outer anterior margin, short angular prepelvic process and long posterior mesial process (Ref. 113541).
Biology:  Maximum length known only from the holotype and only known specimen, a juvenile male (Ref. 51067).
IUCN Red List Status: Data deficient (DD); Date assessed: 19 March 2021 Ref. (130435)
Threat to humans:  harmless


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