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Related FAQs: Hydrozoans, Hydrozoans 2, Hydrozoan Identification,
Hydrozoan ID 2, Hydrozoan ID 3, Hydrozoan ID 4, Hydrozoan ID 5, Hydrozoan ID 6, Hydrozoan ID 7, Hydrozoan ID 8, & Hydrozoan Behavior, Hydrozoan Compatibility, Hydrozoan Selection, Hydrozoan Systems, Hydrozoan Feeding, Hydrozoan Disease, Hydrozoan Reproduction,
Medusoids/Jellies (Ctenophores, some Hydrozoans,
Scyphozoans): Jelly Identification, Jelly Behavior, Jelly Compatibility, Jelly Selection, Jelly Systems, Jelly Feeding, Jelly Disease, Jelly Reproduction, Fire Corals,
Lace
Corals, Stinging-celled Animals
Related Articles: Cnidarians, Fire
Corals, Stylasterines, Hydrozoan Jellies,
Water Flow, How Much is Enough,
Not Corals! But Still Stinging-Celled
Animals: The Hydrozoans, Part 2
To:
Part 1, Part 3,
Part 4
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| by Bob Fenner |
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Genus Halocordyle:
| Halocordyle disticha, the Christmas
Tree Hydroid. Branches alternately arranged on single stalks in colonies.
Bearing prominent white polyps at ends like Xmas ornaments. To three and a
half inches in height. St. Lucia pix. |
 
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Bigger PIX:
The images in this table are linked to large (desktop size) copies. Click on
"framed" images to go to the larger size. |
%20MD.JPG)
%20MD.JPG) |
Genus Halopteris:
| Halopteris carinata. 2-4 inches.
Long stalks with alternating side branches that bear stinging polyps. Tropical West Atlantic. Cozumel
pic. |
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Bigger PIX:
The images in this table are linked to large (desktop size) copies. Click on
"framed" images to go to the larger size. |
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Genus Lytocarpus:
| Lytocarpus sp. (family Plumulariidae).
N. Sulawesi image. |
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Stinging Hydroid. Lytocarpus nuttingi. 4-12 inches in size
branches... stinging... Puerto Vallarta 2015 |
%20MD.JPG)
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Genus Macrorhynchia:
| Macrorhynchia philippina
Kirchenpauer 1872. Fire or Stinging Hydroid. Branching feathers of equal
length up to 15 cm. long. Dark stems w/ contrasting polyps. Very painful to
touch. Circumtropical. Fiji 2017 |
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Bigger PIX:
The images in this table are linked
to large (desktop size) copies. Click on "framed" images
to go to the larger size. |
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| Macrorhynchia robusta. Cozumel 2014 |
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To:
Part 1, Part 3,
Part 4
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