Placamen gravescens (Menke 1843)

body length

• Shelled animal body mass: 21.7 mm (single measurement)
• Femorale: 21.7 mm

body volume

• Shelled animal body mass: 1.41 cm^3 (single measurement)

geographic distribution

• Philippines Species List: The Philippines
• Australia Species List: Australia
• Celebes Sea Species List: celebes Sea
• Philippine Sea Species List: philippine Sea
• Indian Ocean Species List: indian Ocean

habitat

• World Register of Marine Species: marine benthic

latitude

• OBIS environmental data records: -22.8138 degrees (min)
• OBIS environmental data records: -21.6635 degrees (max)

longitude

• OBIS environmental data records: 113.654 degrees (min)
• OBIS environmental data records: 114.336 degrees (max)

skeleton structure

• World Register of Marine Species: condensed
• World Register of Marine Species: exoskeleton
• World Register of Marine Species: condensed
• World Register of Marine Species: exoskeleton

water depth

• OBIS environmental data records: 10 m (min)
• OBIS environmental data records: 17.5 m (max)

water dissolved o2 concentration

• OBIS environmental data records: 4.64 mL/L (max)
• OBIS environmental data records: 4.64 mL/L (min)

water nitrate concentration

• OBIS environmental data records: 0.156 µmol/l (max)
• OBIS environmental data records: 0.156 µmol/l (min)

water o2 saturation

• OBIS environmental data records: 98.677 percent (min)
• OBIS environmental data records: 98.677 percent (max)

water phosphate concentration

• OBIS environmental data records: 0.201 µmol/l (max)
• OBIS environmental data records: 0.201 µmol/l (min)

water salinity

• OBIS environmental data records: 35.083 psu (min)
• OBIS environmental data records: 35.083 psu (max)

water silicate concentration

• OBIS environmental data records: 3.887 µmol/l (min)
• OBIS environmental data records: 3.887 µmol/l (max)

water temperature

• OBIS environmental data records: 25.567 degrees celsius (max)
• OBIS environmental data records: 25.567 degrees celsius (min)

wet body mass

• Shelled animal body mass: 2.47 g (single measurement)