physa


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physa

[′fī·sə]
(invertebrate zoology)
The rounded basal portion of the body of certain sea anemones.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
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).
ALP in Planorbis and Physa, respectively in most 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.; Planorbidae: Afrogyrus coretus (de Blainville), Biomphalariapfeifferi (Krauss).
The population of Physa acuta (6.6%), Gabia arcula(5.2%), Planorbis exustus (4.2%) and Gyrulus euphraticus (2.4%) were found in very less numbers.
We examined if Physa snails' activity changes in the presence of the crayfish chemical cues in specific ways.
Nested within each mesocosm were exclosure treatments containing different combinations of algae, snails (Physa sp.) and Pumpkinseed Sunfish (Lepomis gibbosus).
Anima, a su vez, procede del griego anemos, "viento", al igual que spiritus procede del griego physa, "fuelle", y del verbo physao, "soplar".
May Cluster 3 (MC3)--Sigara-dominated Wetlands.--MC3 (n = 4 wetlands) was characterized by high densities of Sigara (indicator for the cluster, P = 0.008), Ilybius, Physa, and Phyrrhalta.
These spring systems are home to a variety of aquatic invertebrates, including the endemic Three Forks springsnail and a cosmopolitan pond snail (Physa gyrina; say, 1821).