Elasmobranchii (sharks and rays) > Myliobatiformes
(Stingrays) > Urolophidae
Etymology: Urolophus: Greek, oura = tail + Greek, lophos = crest (Ref. 45335); piperatus: piperatus meaning pepper, in reference to the dark flecks scattered on the dorsal side of the disc (Ref. 51067).
More on authors: Séret & Last.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 171 - 370 m (Ref. 51067). Deep-water
Western Central Pacific: northern Queensland, Australia.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 23 - ? cm
Max length : 48.4 cm TL male/unsexed; (Ref. 51067)
Morphology | Morphometrics
Vertebrae: 146 - 156. Weakly rhomboidal disc, width 66.7-70.0% total length; rather long tail, postcoacal length 45.3-47.7% total length; medium snout (preorbital length 13.3-16.3% total length); broad, cartilaginous interorbit 3.8-4.6% total length; internasal flap skirt-shaped, diverging slightly; posterior angle of nasal curtain with a short, pointed lobe; inner margin of spiracle oblique; no tail fold; small dorsal fin; apices of pelvic fins angular; 7-9 oral papillae; 98-108 pectoral fin radials; 32-35 tooth rows in upper jaw; dorsal surface pale brown to grey, often with fine black spots (Ref. 51067).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Séret, B. and P. Last, 2003. Description of four new stingarees of the genus Urolophus (Batoidea: Urolophidae) from the Coral Sea, South-West Pacific. Cybium 27(4):307-320. (Ref. 51067)
IUCN Red List Status (Ref. 126983)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 18.4 - 21.4, mean 18.9 °C (based on 13 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00364 - 0.01815), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100).
Fishing Vulnerability (Ref. 59153
): Moderate vulnerability (38 of 100).