Ecology
Habitat
Water temperature and chemistry ranges based on 15 samples.
Environmental ranges
Depth range (m): 0 - 104.8
Temperature range (°C): 9.208 - 24.381
Nitrate (umol/L): 0.457 - 6.526
Salinity (PPS): 32.282 - 36.149
Oxygen (ml/l): 4.476 - 6.764
Phosphate (umol/l): 0.110 - 0.624
Silicate (umol/l): 0.868 - 3.916
Graphical representation
Depth range (m): 0 - 104.8
Temperature range (°C): 9.208 - 24.381
Nitrate (umol/L): 0.457 - 6.526
Salinity (PPS): 32.282 - 36.149
Oxygen (ml/l): 4.476 - 6.764
Phosphate (umol/l): 0.110 - 0.624
Silicate (umol/l): 0.868 - 3.916
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Wikipedia
Mercenaria
Mercenaria is a genus of edible saltwater clams, marine bivalve molluscs in the family Veneridae, the Venus clams.
The genus Mercenaria includes the quahogs, Mercenaria mercenaria, the northern quahog or hard clam, and M. campechiensis, the southern quahog. These two species commonly hybridise where their ranges overlap.
Other species within the genus include the venus clam M. stimpsoni found in north Pacific waters.
All these species were formerly placed in the related genus Venus. Several other species are known only from fossils.
Contents |
Species
The World Register of Marine Species accepts the following extant species as valid: [1]
- Mercenaria campechiensis (Gmelin, 1791) - Southern quahog
- Mercenaria mercenaria (Linnaeus, 1758) - Northern quahog
- Mercenaria stimpsoni (Gould, 1861) - Venus clam
- Mercenaria texana (Dall, 1902)
Fossil species
- M. corrugata
- M. druidi
- M. ochlockoneensis
- M. permagna
- M. rileyi
- M. tridacnoides
References
- ^ Mercenaria Schumacher, 1817 World Register of Marine Species. Retrieved 2011-09-30.
Miscellaneous information
The Mercenaria is the State Shell of Rhode Island.
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