Overview

Distribution

All the world?s major oceans. Populations in the Northern and Southern Hemispheres do not appear to mix.
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Source: Gulf of Maine Area Census of Marine Life

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Physical Description

Size

33.58 m is the maximum length recorded (female). Females are larger than males. The Blue Whale is the largest animal ever to grace the earth.
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Source: Gulf of Maine Area Census of Marine Life

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Ecology

Habitat

Depth range based on 1257 specimens in 27 taxa.
Water temperature and chemistry ranges based on 578 samples.

Environmental ranges
  Depth range (m): 0 - 352.5
  Temperature range (°C): -1.537 - 27.678
  Nitrate (umol/L): 0.161 - 26.753
  Salinity (PPS): 27.473 - 38.444
  Oxygen (ml/l): 3.123 - 8.585
  Phosphate (umol/l): 0.038 - 2.047
  Silicate (umol/l): 0.777 - 33.587

Graphical representation

Depth range (m): 0 - 352.5

Temperature range (°C): -1.537 - 27.678

Nitrate (umol/L): 0.161 - 26.753

Salinity (PPS): 27.473 - 38.444

Oxygen (ml/l): 3.123 - 8.585

Phosphate (umol/l): 0.038 - 2.047

Silicate (umol/l): 0.777 - 33.587
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Depth range based on 1 specimen in 1 taxon.

Environmental ranges
  Depth range (m): 0.1 - 0.1
 
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Known from seamounts and knolls
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Depth range based on 1257 specimens in 27 taxa.
Water temperature and chemistry ranges based on 578 samples.

Environmental ranges
  Depth range (m): 0 - 352.5
  Temperature range (°C): -1.537 - 27.678
  Nitrate (umol/L): 0.161 - 26.753
  Salinity (PPS): 27.473 - 38.444
  Oxygen (ml/l): 3.123 - 8.585
  Phosphate (umol/l): 0.038 - 2.047
  Silicate (umol/l): 0.777 - 33.587

Graphical representation

Depth range (m): 0 - 352.5

Temperature range (°C): -1.537 - 27.678

Nitrate (umol/L): 0.161 - 26.753

Salinity (PPS): 27.473 - 38.444

Oxygen (ml/l): 3.123 - 8.585

Phosphate (umol/l): 0.038 - 2.047

Silicate (umol/l): 0.777 - 33.587
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Cold open oceans. Summers and feeds in cold polar waters.
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Source: Gulf of Maine Area Census of Marine Life

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Trophic Strategy

Euphasiids and krill.
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Source: Gulf of Maine Area Census of Marine Life

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Associations

Known prey organisms

Musculus (Filicrisia franciscana, Musculus) preys on:
plankton
detritus
phytoplankton
zooplankton

Based on studies in:
USA: California, Monterey Bay (Littoral, Rocky shore)

This list may not be complete but is based on published studies.
  • P. W. Glynn, Community composition, structure, and interrelationships in the marine intertidal Endocladia Muricata - Balanus glandula association in Monterey Bay, California, Beaufortia 12(148):1-198, from p. 133 (1965).
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Source: SPIRE

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Life History and Behavior

Reproduction

Blue whales have 1 calf every 2-3 years. Their gestation period is around 10-11 months and the calf nurses for 7 months. Calves are about 6-7 m in length at birth.
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Source: Gulf of Maine Area Census of Marine Life

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Conservation

Conservation Status

This species is listed as an endangered species under the ESA. The IWC halted commercial takes in 1964, and the Blue Whale is now widely protected. It is listed under CITES Appendix I.
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Source: Gulf of Maine Area Census of Marine Life

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Wikipedia

Musculus (genus)

Musculus is a genus of mussels in the family Mytilidae.[1]

Selected species

References

  1. ^ Abbott, R.T. & Morris, P.A. A Field Guide to Shells: Altantic and Gulf Coasts and the West Indies. New York: Houghton Mifflin, 1995. 18-19.


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