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{{Short description|Species of jellyfish}}
{{Italic title}}
{{Distinguish|Cassiopea xamachana}}
{{Taxobox
{{Speciesbox
| image = Cassiopea_andromeda_-_Mangrovenqualle.jpg | image = Cassiopea_andromeda_-_Mangrovenqualle.jpg
| image_caption = Specimen at the ]
| image_width = 250px
⚫ | taxon = Cassiopea andromeda
| image_caption =
| authority = ], 1775
| status =
⚫ | synonyms =
| regnum = ]ia
{{Species list
| phylum = ]
|Cassiopea andromeda var. malayensis|Maas, 1903<ref>''Cassiopea andromeda'' var. ''malayensis'' Maas, 1903 in GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset ] accessed via on 2023-05-29.</ref>
| classis = ]
|Cassiopea depressa subsp. picta|Vanhöffen, 1888<ref>''Cassiopea depressa'' subsp. ''picta'' Vanhöffen, 1888 in GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset ] accessed via on 2023-05-29.</ref>
| ordo = ]
|Cassiopea picta|Vanhöffen, 1888<ref>Collins, A.G.; Morandini, A.C. (2023). World List of Scyphozoa. ''Cassiopea picta'' Vanhöffen, 1888. Accessed through: on 2023-05-29.</ref>
| familia = ]
|Cassiopea polypoides|Keller, 1883<ref>WoRMS (2023). ''Cassiopea polypoides'' Keller, 1883. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1561018 on 2023-05-29.</ref>
| genus = '']''
|Medusa andromeda|Forskål, 1775<ref>WoRMS (2023). ''Medusa andromeda'' Forskål, 1775. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1393206 on 2023-05-29.</ref>
| species = '''''C. andromeda'''''
}}
⚫ | binomial = ''Cassiopea andromeda''
| binomial_authority = Forskål, 1775
⚫ | synonyms =
}} }}


'''''Cassiopea andromeda''''' (Upside-down jellyfish) is a type of jellyfish that usually lives in intertidal sand or mud flats, shallow lagoons, and around mangroves. This jellyfish, many times mistaken for a ], usually has its mouth upward on the bottom. Its bell, which is yellow-brown with streaks and spots that are white or pale, vibrates to make the water flow through its arms for respiration and the obtaining of food. '''''Cassiopea andromeda''''' is one of many ]n species called the ]. It usually lives in ] sand or ]s, shallow ]s, and around ]s. This ], often mistaken for a ], usually keeps its mouth facing upward. Its yellow-brown bell, which has white or pale streaks and spots, pulsates to run water through its arms for ] and to gather food.


==Alimentation and strategies== ==Alimentation and strategies==
''Cassiopea andromeda'' is carnivorous and eats small animals from the sea or just pieces of them after it paralyzes its prey with its mucous and ] when they are released. This jellyfish also lives in a symbiotic relationship with photosynthetic dinoflagellate algae, the ], and with shrimps. The Zooxanthellae live in the tissues of the ventral surface of its body and it is the responsible for the color of it. As the Zooxanthellaeon gets food for the ''Cassiopea andromeda'', in response, it gets the sunlight that is necessary for the photosynthetic dinoflagellate algae. Therefore, the shrimp has a different symbiotic relationship with this jellyfish. It lives in its tentacles and protects it by taking the parasites off. In exchange, the ''Cassiopea andromeda'' mainly offers protection to the shrimp from the environment. This symbiotic relationship is called mutualism, where ''both'' species benefit from their interactions. ''Cassiopea andromeda'' is carnivorous and eats small animals from the sea or just pieces of them after it paralyzes its prey with its mucus and ] when they are released. This jellyfish also lives in a symbiotic relationship with photosynthetic dinoflagellate algae, the ], and with shrimps. The zooxanthellae live in the tissues of the ventral surface of its body and it is the responsible for the color of it. As the zooxanthellae gets food for the ''Cassiopea andromeda'', in response, it gets the sunlight that is necessary for the photosynthetic dinoflagellate algae. Therefore, the shrimp has a different symbiotic relationship with this jellyfish. It lives in its tentacles and protects it by taking the parasites off. In exchange, the ''Cassiopea andromeda'' mainly offers protection to the shrimp from the environment. This symbiotic relationship is called mutualism, where ''both'' species benefit from their interactions.
] ]


==Reproduction==
There so ugly I cant even imagine being near that thing I would laugh all day all night.
As a cnidarian, this jellyfish has an asexual and sexual reproduction. It reproduces by budding when it is in a polyp form. When it is in a medusa form, it reproduces sexually. The medusa female produces the eggs and keeps them. As the male produces the sperm and releases them in the water, the female uses its tentacles to bring the sperm to fertilize its eggs.


==Size== ==Size==
This jellyfish can measure the maximum of 30.0 cm wide. This jellyfish can measure a maximum of 30.0&nbsp;cm wide.


==Effects to humans== ==Interactions with humans==
The species can deliver a painful sting. Symptoms include mild pain, rash, and swelling.{{citation needed|date=November 2018}}
The ''Cassiopea andromeda'' does not have many effects to human life. Due to its appearance and nature it may bring people snorkeling or diving into the areas in which the jelly lives, adding to the local economy. The jelly can sting which makes it important to take precautions when around it. Symptoms include pain, rash, swelling and vomiting.

==References==
{{Reflist}}


==External links== ==External links==
{{Commons category|Cassiopea andromeda}}
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{{Taxonbar|from=Q1048402}}


{{Commonscat|Cassiopea andromeda}} ]
] ]
]

Latest revision as of 09:17, 25 July 2024

Species of jellyfish Not to be confused with Cassiopea xamachana.

Cassiopea andromeda
Specimen at the Cologne Zoo
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Cnidaria
Class: Scyphozoa
Order: Rhizostomeae
Family: Cassiopeidae
Genus: Cassiopea
Species: C. andromeda
Binomial name
Cassiopea andromeda
Forskål, 1775
Synonyms
  • Cassiopea andromeda var. malayensis Maas, 1903
  • Cassiopea depressa subsp. picta Vanhöffen, 1888
  • Cassiopea picta Vanhöffen, 1888
  • Cassiopea polypoides Keller, 1883
  • Medusa andromeda Forskål, 1775

Cassiopea andromeda is one of many cnidarian species called the upside-down jellyfish. It usually lives in intertidal sand or mudflats, shallow lagoons, and around mangroves. This jellyfish, often mistaken for a sea anemone, usually keeps its mouth facing upward. Its yellow-brown bell, which has white or pale streaks and spots, pulsates to run water through its arms for respiration and to gather food.

Alimentation and strategies

Cassiopea andromeda is carnivorous and eats small animals from the sea or just pieces of them after it paralyzes its prey with its mucus and nematocysts when they are released. This jellyfish also lives in a symbiotic relationship with photosynthetic dinoflagellate algae, the zooxanthellae, and with shrimps. The zooxanthellae live in the tissues of the ventral surface of its body and it is the responsible for the color of it. As the zooxanthellae gets food for the Cassiopea andromeda, in response, it gets the sunlight that is necessary for the photosynthetic dinoflagellate algae. Therefore, the shrimp has a different symbiotic relationship with this jellyfish. It lives in its tentacles and protects it by taking the parasites off. In exchange, the Cassiopea andromeda mainly offers protection to the shrimp from the environment. This symbiotic relationship is called mutualism, where both species benefit from their interactions.

Symbiotic relationship between C. andromeda and algae

Reproduction

As a cnidarian, this jellyfish has an asexual and sexual reproduction. It reproduces by budding when it is in a polyp form. When it is in a medusa form, it reproduces sexually. The medusa female produces the eggs and keeps them. As the male produces the sperm and releases them in the water, the female uses its tentacles to bring the sperm to fertilize its eggs.

Size

This jellyfish can measure a maximum of 30.0 cm wide.

Interactions with humans

The species can deliver a painful sting. Symptoms include mild pain, rash, and swelling.

References

  1. Cassiopea andromeda var. malayensis Maas, 1903 in GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset doi:10.15468/39omei accessed via GBIF.org on 2023-05-29.
  2. Cassiopea depressa subsp. picta Vanhöffen, 1888 in GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset doi:10.15468/39omei accessed via GBIF.org on 2023-05-29.
  3. Collins, A.G.; Morandini, A.C. (2023). World List of Scyphozoa. Cassiopea picta Vanhöffen, 1888. Accessed through: World Register of Marine Species on 2023-05-29.
  4. WoRMS (2023). Cassiopea polypoides Keller, 1883. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1561018 on 2023-05-29.
  5. WoRMS (2023). Medusa andromeda Forskål, 1775. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1393206 on 2023-05-29.

External links

Taxon identifiers
Cassiopea andromeda
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