Results 21 to 30 of about 2,907 (215)

Interannual variation in the composition of the assemblages of medusae and ctenophores in St. Helena Bay, Southern Benguela Ecosystem

open access: yesScientia Marina, 2000
The assemblages of medusae and ctenophores were examined from samples collected each winter from St Helena Bay, over the 10-year period 1988-1997.
Emmanuelle Buecher, Mark John Gibbons
doaj   +1 more source

Ecological characteristics of the Mljet Islands seawater lakes (South Adriatic Sea) with special reference to their resident populations of medusae

open access: yesScientia Marina, 2000
Ecological properties and distribution and abundance of medusae were studied over an 18-month period in the Mljet Island seawater lakes, south-east Croatia.
A. Benovic   +6 more
doaj   +1 more source

Species–specific crab predation on the hydrozoan clinging jellyfish Gonionemus sp. (Cnidaria, Hydrozoa), subsequent crab mortality, and possible ecological consequences [PDF]

open access: yesPeerJ, 2017
Here we report a unique trophic interaction between the cryptogenic and sometimes highly toxic hydrozoan clinging jellyfish Gonionemus sp. and the spider crab Libinia dubia.
Mary R. Carman   +2 more
doaj   +2 more sources

Kinematic comparison of bell contraction by four species of hydromedusae

open access: yesScientia Marina, 2000
Bell form strongly affects the hydrodynamic performance of swimming hydromedusae. Although the relationship between bell shape and hydrodynamic parameters has been documented for static models of different bell shapes, the dynamic differences in ...
M. D. Ford, J. H. Costello
doaj   +1 more source

Occurrence of two distinct lineages of the freshwater jellyfish Craspedacusta sowerbii (Hydrozoa: Limnomedusae) in Italy

open access: yesJournal of Limnology, 2020
The freshwater jellyfish Craspedacusta sowerbii Lankester 1880 is a cryptic cosmopolitan invasive species, which occurs in all continents except Antarctica.
Massimo Morpurgo   +3 more
doaj   +1 more source

Seasonality in polyps of a tropical cubozoan: A latina nr mordens. [PDF]

open access: yesPLoS ONE, 2013
A latina nr mordens have been located in large predictable spawning aggregations near Osprey Reef in the Coral Sea eight to ten days after a full moon; however, polyps have never been located in-situ.
Robert Courtney, Jamie Seymour
doaj   +1 more source

Different Physiology in the Jellyfish Cassiopea xamachana and C. frondosa in Florida Bay

open access: yesOceans, 2021
The jellyfish Cassiopea xamachana and C. frondosa co-occur within some habitats in the Florida Keys, but the frequency with which this occurs is low.
William K. Fitt   +3 more
doaj   +1 more source

Survey of Density variation and Diversity of Cnidarins Medusae (Diphiydae & Gerionidae) in North Western Persian Gulf (Bahrakan water) [PDF]

open access: yesبوم‌شناسی آبزیان, 2012
To taxonomic identification and density determination of medusae in Bahrakan area (Persian Gulf), planktonic samples were collected from 6 stations in July, August, October in 2010 and December, February and April in 2011.
Tahmineh Soltani   +4 more
doaj  

Seasonal succession of gelatinous zooplankton (medusae and ctenophores) from Mar del Plata Harbor, Argentina (SW Atlantic Ocean)

open access: yesEcología Austral, 2019
Temporal variation of the population dynamics of the medusae and ctenophores (gelatinous zooplankton) is described over an annual cycle in the Mar del Plata Harbor, Argentina.
F. Alejandro Puente Tapia   +1 more
doaj   +1 more source

Diagnostic dilemma of cystic biliary atresia: A series of two cases and brief review of the diagnostic modalities

open access: yesJPGN Reports, EarlyView.
Abstract Cystic biliary atresia (CBA) is a rare variant of biliary atresia that closely resembles choledochal cyst (CC), complicating diagnosis and potentially delaying critical surgical intervention. We report two cases of CBA that were difficult to diagnose.
Hamza Hassan Khan   +2 more
wiley   +1 more source

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