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Turritopsis dohrnii (Weismann, 1883) also known as the "Benjamin Button jellyfish", or the "immortal jellyfish". It can reverse its life cycle and transform itself back to a polyp. [3] Turritopsis fascicularis Fraser, 1943; Turritopsis lata Lendenfeld, 1884; Turritopsis minor (Nutting, 1905)
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.
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Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish [2] [3] found worldwide in temperate to tropic waters. It is one of the few known cases of animals capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual.
Once jellyfish have become dominant in an ecosystem, for example through overfishing which removes predators of jellyfish larvae, there may be no obvious way for the previous balance to be restored: they eat fish eggs and juvenile fish, and compete with fish for food, preventing fish stocks from recovering.
She concedes there is little that can be done to reverse or even halt the process of the marine environment becoming dominated by jellyfish worldwide. [18] In 2016, Gershwin's 224 page book Jellyfish – a natural history was published by The Ivy Press. It covers jellyfish anatomy, life history, taxonomy and ecology and includes species level ...
President-elect Donald Trump campaigned relentlessly on grocery prices in the 2024 race, vowing to bring down costs quickly for American families if given four more years in the White House.
The Linuche aquila is a very small jellyfish with a flat-topped bell separated from the vertical sides by a coronal groove. It can grow to a diameter of 16 mm (0.63 in) and a height of 13 mm (0.51 in). There are sixteen bluntly oval marginal lappets (flaps) and eight rhopalia (sensory organs) between them. Underneath the bell is a manubrium ...