jellyfish

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Synonyms for jellyfish

large siphonophore having a bladderlike float and stinging tentacles

any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans

References in periodicals archive ?
The reports from these expeditions were the only sources of knowledge about scyphomedusae until mid-20th century and several valid species were described from them (Fig.
West Coast, where they forage on jellyfish (Scyphomedusae) during summer and fall.
Predation mortality of bay anchovy Anchoa mitchilii eggs and larvae due to scyphomedusae and ctenophores in Chesapeake Bay.
The scyphomedusae are thought to have been transported from the Caribbean into the Gulf of Mexico via the Loop Current.
The contents of the cod end of the net were filtered through a sieve to remove scyphomedusae, ctenophores, and other organisms [is greater than] 1 mm.
Some Philippine Scyphomedusae, including two new genera, five new species, and one new variety.
However, studies on jellyfish are limited exclusively to the work of Pages & Orejas (1999), who identified 31 species of medusae in this area: 29 hydromedusae and 2 scyphomedusae. Consequently, the aim of the present study is to improve our knowledge of the biodiversity, abundance, geographical distribution and vertical distribution of jellyfish and their relation to oceanographic features in this region, where there is a confluence of water masses from the Pacific, Atlantic and Southern oceans, and where the latter is part of the Antarctic ecosystem.
The presence and distribution of antho-RFamide-like material in scyphomedusae. Cell Tissue Res.
There are many environmental factors that can explain the greater concentration of jellyfish near the beach (see mainly Graham et al., 2001); but in the case reported here it may be explained by environmental factors such as winds and currents -like described for scyphomedusae in Uruguay by Olague et al.
Diet and prey selectivity of scyphomedusae from Port Phillip Bay, Australia.
North sea Scyphomedusae: summer distribution, estimated biomass and significance particularly for O-group gadoid fish.
For scyphomedusae, sensory information has to be conducted in a similar non-polarized manner since receptors are distributed around the margin of the bell, either via marginal tentacles or other marginal structures.
In comparison, scyphomedusae possess rhopalia but without the connecting tracts of a nerve ring, while hydromedusae have a pair of complex nerve rings representing their centralized nervous systems (see Satterlie, 2011).
Brodeur (1998) observed juveniles swimming near the bells of scyphomedusae Cyanea capillata and Chrysaora melanaster and retreating behind the tentacles or within the bells of these jellyfish when approached by a remotely operated vehicle, apparently as a means of protection from predators.