Overview

Comprehensive Description

Biology: Nematocysts

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LocationImageCnidae TypeRange of
Lengths (m)
Range of
Widths (m)
nNState
Carlgren O., 1945
Actinopharynx
N/A basitrichs  18.3 - 25.4  x  3 - 3.5  /
N/A microbasic p-mastigophores  28.2 - 35.2  x  7 - 8.5  /
Column
N/A basitrichs  14.1 - 17.6  x  2.5 - 2.8  /
Filaments
N/A basitrichs  21.1 - 24.7  x  3 - 4  /
N/A basitrichs  14.1 - 16.3  x   - 2.2  /
N/A microbasic p-mastigophores  28.2 - 36.6  x  7 - 8.5  (10) /
Tentacles
N/A basitrichs  14.1 - 17.6  x   - 2.8  /
N/A spirocysts   - 26  x   - 4.2  /
Dunn D. F., 1981
Actinopharynx
basitrichs (12.3)  15.2 - 27.5  (29.8) x  2.2 - 4.1  97 / 12 Unfired
microbasic p-mastigophores  21.6 - 35.4  x  5.1 - 9.2  (10.7) 17 / 5 Unfired
spirocysts  17.2 - 26.4  x  2.5 - 4  10 / 3 Unfired
Column
basitrichs (13.9)  14.8 - 22.5  (25.4) x  1.8 - 2.8  (3.5) 132 / 14 Unfired
basitrichs  25.4 - 33.6  (37.5) x (6.1)  7.5 - 10  21 / 4 Unfired
microbasic p-mastigophores (21.5)  25.6 - 35.9  (37) x (5.1)  6.3 - 9.2  57 / 10 Unfired
spirocysts  15 - 24.6  (37) x  2.5 - 4.1  20 / 6 Unfired
Filaments
basitrichs (11.3)  12.3 - 21.4  x  1.6 - 3.1  (3.8) 76 / 11 Unfired
basitrichs (21.6)  22.4 - 36.3  x (2.2)  2.8 - 5.1  80 / 12 Unfired
microbasic p-mastigophores  20 - 37.3  (40) x (4.1)  5.1 - 8.2  (9.2) 93 / 13 Unfired
spirocysts (12.5)  17.2 - 27.1  x  2 - 4.1  29 / 8 Unfired
Tentacles
basitrichs (9.5)  12.5 - 25.7  x (1.8)  2.2 - 3.9  131 / 16 Unfired
spirocysts (12.5)  15 - 31.2  (32.8) x  2 - 4.1  121 / 16 Unfired
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Physical Description

Type Information

Lectotype for Actinia paumotensis Couthouy
Catalog Number: USNM 1690
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Alcohol (Ethanol); Slide
Locality: Tuamotu Archipelago, Raraka Island, French Polynesia, South Pacific Ocean
  • Lectotype:
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Source: National Museum of Natural History Collections

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Ecology

Habitat

Depth range based on 1 specimen in 1 taxon.

Environmental ranges
  Depth range (m): 1.5 - 1.5
 
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Depth range based on 2 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 1.5 - 1.5
 
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Depth range based on 51 specimens in 1 taxon.
Water temperature and chemistry ranges based on 43 samples.

Environmental ranges
  Depth range (m): 2 - 25
  Temperature range (°C): 25.015 - 28.048
  Nitrate (umol/L): 0.033 - 0.923
  Salinity (PPS): 34.598 - 35.185
  Oxygen (ml/l): 4.578 - 4.785
  Phosphate (umol/l): 0.067 - 0.260
  Silicate (umol/l): 0.983 - 4.102

Graphical representation

Depth range (m): 2 - 25

Temperature range (°C): 25.015 - 28.048

Nitrate (umol/L): 0.033 - 0.923

Salinity (PPS): 34.598 - 35.185

Oxygen (ml/l): 4.578 - 4.785

Phosphate (umol/l): 0.067 - 0.260

Silicate (umol/l): 0.983 - 4.102
 
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Depth range based on 1 specimen in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 7.5 - 7.5
  Temperature range (°C): 25.787 - 25.787
  Nitrate (umol/L): 0.439 - 0.439
  Salinity (PPS): 34.538 - 34.538
  Oxygen (ml/l): 4.692 - 4.692
  Phosphate (umol/l): 0.102 - 0.102
  Silicate (umol/l): 3.500 - 3.500
 
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Depth range based on 1 specimen in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 1 - 1
  Temperature range (°C): 27.675 - 27.675
  Nitrate (umol/L): 0.449 - 0.449
  Salinity (PPS): 34.416 - 34.416
  Oxygen (ml/l): 4.705 - 4.705
  Phosphate (umol/l): 0.245 - 0.245
  Silicate (umol/l): 5.660 - 5.660
 
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Depth range based on 1 specimen in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 1.5 - 1.5
  Temperature range (°C): 27.669 - 27.669
  Nitrate (umol/L): 0.126 - 0.126
  Salinity (PPS): 36.048 - 36.048
  Oxygen (ml/l): 4.603 - 4.603
  Phosphate (umol/l): 0.289 - 0.289
  Silicate (umol/l): 1.334 - 1.334
 
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Associations

Biological Associations

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Algal symbionts
Zooxanthellae
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Wikipedia

Sebae anemone

This article is about Heteractis crispa. For the related species also sometimes known as the sebae anemone, see Heteractis malu.

The sebae anemone (Heteractis crispa) is a species of sea anemone from the northern Indian Ocean, including India, Sri Lanka, and the Maldives. Some species of anemonefishes associate with it, including the Cinnamon (Amphiprion melanopus), Oman (A. omanensis), Orange skunk (A. sandaracinos), Orange (A. percula), and several more. In contrast, the Sebae clownfish (A. sebae), with which it shares part of the common name, normally associates with the saddle anemone (Stichodactyla haddoni).

References

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