Leptomedusae


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Leptomedusae

[¦lep·tō·mə′dü·sē]
(invertebrate zoology)
A suborder of hydrozoan cnidarians in the order Hydroida characterized by the presence of a hydrotheca.
References in periodicals archive ?
1, Anthomedusae, Leptomedusae, Limnomedusae, Trachymedusae, and Narcomedusae.
Table 1 Cnidarian jellyfish species used for feeding experiments of phyllosoma larvae Class Order Species Number of Experiments Scyphozoa* Semaeosiomeae Aurelia aurita > 10 Aurelia aurita > 10 (ephyraev and young medusae) Chrysaora pacifiea > 10 Sanderia malayensis 4 Rhizostomeae Mastigias papua 2 Nemopilema nomurai Hydrozoa Anthomedusae Nemopsis dofleini 4 Spirocodon saltalor > 10 Velella velella 1 Leptomedusae Aequorea S coerulescens Siphonophorae Physalia physafis 1 Cubozoa Cubomedusae Carybdea rastoni 2 * Bell diameters of scyphozoan medusae used for the examinations ranged from 30 to 100 mm.
Compared to the morphological changes seen during the development of Leptomedusae (Weston et al.
One strategy, observed among leptomedusae and anthomedusae, is to swim via jet propulsion as juveniles (Weston et al.
Accordingly, leptomedusae, such as Mitrocoma cellularia, Aequorea victoria, and Eutonina indicans, that use jet propulsion during early developmental stages have prolate bells with narrow orifices (i.
Table 1 Comparison of hell morphology and kinematics and swimming performance of different medusan taxa that use different propulsive strategies as juveniles than their rowing adult forms Class Hydrozoa Hydrozoa Scyphozoa Order Leptomedusae Limnomedusae Semaeostomeae Genus Aequorea (1) Liriope (2) Cyanea (3) Juvenile Propulsive mode Jetting Rowing Paddling Size (cm) 0.
A bloom of Obelia longissima (Pallas, 1766), a very small Leptomedusae, was detected offshore during the austral spring of 2003 after analyzing a historical series of zooplankton samples colleted since 1993.
The Medusae of the British Isles: Anthomedusae, Leptomedusae, Limnomedusae, Trachymedusae and Narcomedusae.