User:Sam121302/Flower hat jelly
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[edit]This fluorescent jelly has lustrous tentacles that coil and adhere to its rim when not in use. Its bell is translucent and pinstriped with opaque bands. Although the tentacles may look randomized in their arrangement, extensive research has been done to show that the tentacles are arranged mathematically. The tentacle arrangement displays an optimal hashing algorithm. This is called the Fibonacci hashing.[1]
The flower hat jelly can grow to be about 15 cm (6 in) in diameter.[5] When first observed in the wild typically around December, they only measure 2 cm (0.8 in).[3]
Little is known about the details of its life cycle and no Olindias hydroids have been reported from the wild. Flower hat jellies have bred in a display at the Monterey Bay Aquarium. The hydroids attached themselves to various surfaces and formed small clusters. Eventually the medusae were released at a diameter of about 1 mm (0.04 in). Budding only happened when the hydroids were kept at water temperatures of 15 °C (59 °F); not 20 °C (68 °F) or 25 °C (77 °F). In contrast, the two warmer temperatures appeared to produce more medusae. This indicates that hydroid growth and reproduction (budding) occur in 15 °C (59 °F) or less, while warmer temperatures initiate the change into medusae. This matches the annual sea temperature variations observed in its native range. In aquariums, adults are usually kept in full salt water that is about 15–18 °C (59–64 °F).[3]
The fluorescent proteins have been shown to help these predators obtain food as well. These proteins cause light to reflect off of the jellyfish, which makes it appear fluorescent. This light in the water can invoke supernormal stimuli. This stimuli will attract the prey closer to the flower hat jellyfish, where they can capture their next meal. This stimuli attracts the prey since the light that is displayed on the jellyfish is not normal for the habitat. An instinctual response in their prey is to go towards this light, which allows the jellyfish to catch and eat their prey with some more ease. [2]
These invertebrates have also helped in human research. A study has been done on the fluorescent proteins that are in the Olindias hydroids. It has been found that these proteins have been able to help treat some COVID cases. These proteins can act as entry inhibitors against this virus. This causes the replication of COVID to be slowed and halted, preventing the virus from continuing to attack the immune system.[3]
References
[edit]- ^ Okabe, Takuya; Yoshimura, Jin (2016-06-07). "Optimal hash arrangement of tentacles in jellyfish". Scientific Reports. 6 (1). doi:10.1038/srep27347. ISSN 2045-2322.
- ^ journals.biologists.com https://journals.biologists.com/bio/article/4/9/1094/1559/Fluorescent-proteins-function-as-a-prey-attractant. Retrieved 2023-10-27.
{{cite web}}: Missing or empty|title=(help) - ^ Focosi, Daniele; Maggi, Fabrizio; Mazzetti, Paola; Pistello, Mauro (2020-09-21). "Viral infection neutralization tests: A focus on severe acute respiratory syndrome‐coronavirus‐2 with implications for convalescent plasma therapy". Reviews in Medical Virology. 31 (2). doi:10.1002/rmv.2170. ISSN 1052-9276.