Overview

Brief Summary

Biology

The majority of cumacean species in temperate shallow waters probably lives for a year or less and breeds twice each year. They feed on micro-organisms and organic matter from the bottom deposit (Jones, 1976).
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Distribution

The distribution of O. bradyi in the Dutch part of the North Sea is very patchy. Highest densities are found in the eastern part, near the German Bight.
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Physical Description

Diagnostic Description

Morphology

O. bradyi can grow up to 12 mm long. lt has a carapace with an acute pseudorostrum (Jones, 1976; Hayward & Ryland, 1990).
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Ecology

Habitat

O. bradyi lives in all kinds of sediment, from coarse to very fine sand, often associated with mud.
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Depth range based on 1128 specimens in 1 taxon.
Water temperature and chemistry ranges based on 408 samples.

Environmental ranges
  Depth range (m): 0 - 143
  Temperature range (°C): 0.540 - 11.457
  Nitrate (umol/L): 2.055 - 12.040
  Salinity (PPS): 32.851 - 35.038
  Oxygen (ml/l): 5.996 - 7.279
  Phosphate (umol/l): 0.353 - 0.720
  Silicate (umol/l): 2.091 - 7.673

Graphical representation

Depth range (m): 0 - 143

Temperature range (°C): 0.540 - 11.457

Nitrate (umol/L): 2.055 - 12.040

Salinity (PPS): 32.851 - 35.038

Oxygen (ml/l): 5.996 - 7.279

Phosphate (umol/l): 0.353 - 0.720

Silicate (umol/l): 2.091 - 7.673
 
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Disclaimer

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