Cryptodendrum

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Cryptodendrum
Cryptodendrum adhaesium Landaagiraavaru.JPG
C. adhaesium showing the distinctive edge tentacles
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoa
Order: Actiniaria
Family: Thalassianthidae
Genus: Cryptodendrum
Klunzinger, 1877
Species:
C. adhaesivum
Binomial name
Cryptodendrum adhaesivum
(Klunzinger, 1877)
Synonyms

(Genus)

  • CryptodendronKlunzinger, 1877

(Species)

  • Cryptodendron adhaesivium
  • Cryptodendron adhaesivum
  • Cryptodendrum adhesivum [lapsus]
  • Stoichactis digitataDoumenc, 1973

Cryptodendrum is a genus of sea anemones in the family Thalassianthidae. It is monotypic with a single species, Cryptodendrum adhaesivum, also commonly known as the adhesive anemone, pizza anemone, and nap-edged anemone. Like all symbiotic anemones it hosts zooxanthellae , symbiotic algae that help feed their host. [1]

Contents

Description

This anemone grows to a size of 30 centimeters and is distinguished by its colored, beaded and waving curved edge. It has two different forms of tentacles. At the center of the oral disc, it has narrow, short, about 5 mm long, tentacles that are branched with five or more "fingers", like a small, inflated rubber glove. The tentacles are extremely sticky. The tentacles at the edge have a bubble-like thickening of about one millimeter diameter at the end. The two types of tentacles are usually different colors. [2]

Similar species

The two different tentacles and pizza crust type edge distinguish C. adhaesivum from superficially similar Stichodactyla specimens.

Distribution

C. adhaesivum is widely distributed being found in tropical waters from the Indian Ocean to the Western Pacific.

Symbionts

The relationship between anemonefish and their host sea anemones is highly nested in structure. This anemone however is able to survive without anemonefish and most specimens are found without anemonefish. [3] As the single hosted anemonefish, Amphiprion clarkii , [2] is the extreme generalist, it may be that C. adhaesivum is a marginal host tolerated only by the least selective fish and only when no other host is available.

C. adhaesivum is also associated with juvenile Dascyllus trimaculatus the threespot dascyllus.

A number of other species are associated with C. adhaesivum, however the relationship is commensal rather than mutual as the anemone does not appear to benefit from the association. These species are

C. adhaesivum and symbionts

Related Research Articles

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<i>Stichodactyla haddoni</i> Species of sea anemone

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<i>Stichodactyla gigantea</i> Species of sea anemone

Stichodactyla gigantea, commonly known as the giant carpet anemone, is a species of sea anemone that lives in the Indo-Pacific area. It can be kept in an aquarium but is a very challenging species to keep alive and healthy for more than 3–5 years.

<i>Stichodactyla mertensii</i> Species of sea anemone

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<i>Heteractis aurora</i> Species of sea anemone

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<i>Macrodactyla doreensis</i> Species of sea anemone

Macrodactyla doreensis, common names long tentacle anemone and corkscrew tentacle sea anemone, is a species of sea anemone in the family Actiniidae.

<i>Amphiprion latifasciatus</i> Species of fish

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Amphiprion pacificus, is a species of anemonefish that is found in the western Pacific Ocean. Like all anemonefishes it forms a symbiotic mutualism with sea anemones and is unaffected by the stinging tentacles of the host anemone. It is a sequential hermaphrodite with a strict sized based dominance hierarchy: the female is largest, the breeding male is second largest, and the male non-breeders get progressively smaller as the hierarchy descends. They exhibit protandry, meaning the breeding male will change to female if the sole breeding female dies, with the largest non-breeder becomes the breeding male. The fish's natural diet includes zooplankton.

Amphiprion thiellei is thought to be a naturally occurring hybrid anemonefish found in the vicinity of Cebu, Philippines. Like all anemonefishes it forms a symbiotic mutualism with sea anemones and is unaffected by the stinging tentacles of the host anemone. It is a sequential hermaphrodite with a strict dominance hierarchy.

References

  1. "Cryptodendrum adhaesivum at World Register of Marine Species".
  2. 1 2 Fautin, Daphne G.; Allen, Gerald R. (1997). Field Guide to Anemone Fishes and Their Host Sea Anemones. Western Australian Museum. ISBN   9780730983651. Archived from the original on 14 April 2015.
  3. Ollerton J; McCollin D; Fautin DG; Allen GR (2007). "Finding NEMO: nestedness engendered by mutualistic organization in anemonefish and their hosts". Proc R Soc B Biol Sci. 274: 591–598. doi:10.1098/rspb.2006.3758. PMC   1766375 . PMID   17476781.