physa


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physa

[′fī·sə]
(invertebrate zoology)
The rounded basal portion of the body of certain sea anemones.
References in periodicals archive ?
It includes the pulmonate snails Physa integra, Helisoma anceps, and often species of Lymnaea.
A similar reduction in movement (decreased avoidance behavior from predatory cues) was observed on the snail Physa pomilia exposed to 25 mg/L of malathion (Salice and Kimberly, 2012).
Invasion of ancient Lake Titicaca by the globally invasive Physa acuta (Gastropoda: Pulmonata: Hydrophila).
The present results showed significant increase in AST and ALT, and ALP in Planorbis and Physa snail samples, collected from Nasayma site in Lake Manzala.
Leptophlebidae Atalophlebia australis Lymnephilidae Sp b Corduliidae Lymnephilidae Sp c Syrphidae Aeshnidae Hydropsychiidae Physidae Physa acuta Simuliidae Scirtidae Scirtes sp.
truncatus (Audouin); Lymnaeidae: Radix natalensis; Physidae: Aplexa waterloti Germain, Physa sp.
Combined effects of a herbicide (atrazine) and predation on the life history of a pond snail, Physa gyrina.
The Physa snails are cosmopolitan and have been spread through human agency around the world (Dillon et al.
Los gastropodos estuvieron representados por el genero Physa (familia Physidae), que alcanzo el 3% de la abundancia general.
1964) encontraron cercarias gimnocefalas en moluscos de los generos Heliosoma, Stenophysa y Physa y lograron definir a estos generos como vectores del parasito, al menos en el distrito de La Union de Cartago.
We examined if Physa snails' activity changes in the presence of the crayfish chemical cues in specific ways.