Shells of South
East Queensland

Tweed Heads to Noosa
Conidae

Conus arenatus

Hwass in Brugu’ere, 1792
Medium-sized to large, moderately solid to moderately heavy. Siphonal fasciole distinct, occasionally separated from basal zone by an incision. Shoulder subangulate to rounded, weakly to strongly tuberculate. Spire of low to moderate height, outline straight to moderately convex. Teleoconch sutural ramps concave, with 1 increasing to 4-6 spiral grooves. Last whorl with weak spiral ribs at base; in subadults and small adults, ribs may be granulose and extend to shoulder. Ground colour white. Last whorl with spiral rows of brown or black dots, clustered in 2-3 interrupted spiral bands or in axial zigzag flames; dotted areas often with underlying grey shadows, most conspicuous within spiral bands. Opaque white dashes often irregularly alternating with dark dots. Larval whorls white. Teleoconch sutural ramps variably maculated with axial clusters of brown and black dots. Aperture white, brown or pinkish orange deeper within.

Cone Collector's Guide: http://theconecollector.com/checklist/Pages/


Specimens

Conus arenatus
Conus arenatus
Conus arenatus
Sykes Reef,  Australia
Size: 0mm    Collected: 2019
In sand and rubble under coral rock on weather edge of reef at low tide.
Conus arenatus
Conus arenatus
Conus arenatus
Port Moresby,  Papua New Guinea
Size: 0mm    Collected: 1984
found at 8:15am after following feed trails in the sand found near beds of sae grass in about 2m of water about 2m from shore
Conus arenatus   forma  aequipunctatus
Conus arenatus   forma  aequipunctatus
Conus arenatus   forma  aequipunctatus
Dahab,  Egypt
Size: 38mm    Collected: Unknown
In sand in shallow water.
Conus arenatus
Conus arenatus
Conus arenatus
Scawfell Island,  Australia
Size: 40mm    Collected: Unknown
Dead collected on intertidal reef.
Conus arenatus
Conus arenatus
Conus arenatus
Sykes Reef,  Australia
Size: mm    Collected: 2012
In sand and rubble under coral rock on weather edge of reef at low tide.
Conus arenatus
Conus arenatus
Conus arenatus
Mooloolabah,  Australia
Size: mm    Collected: 2000
Collected by diver. Courtesy S Grail.