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Physella acuta is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae. Common names include European physa , tadpole snail , bladder snail , and acute bladder snail .
Rivicola Fitzinger, 1833 (Invalid: junior objective synonym of Physa, with the same type species) Physa is a genus of small, left-handed or sinistral, air-breathing freshwater snails , aquatic pulmonate gastropod molluscs in the subfamily Physinae of the family Physidae .
The observations are restricted to Physa fontinalis, an indigenous species to areas with indigenous predatory leeches, and Haitia acuta, introduced in Germany and the Netherlands. When Physa contacts another snail, either Physa or some other kind, the reaction is a rapid twisting of the shell back and forth to dislodge the other.
Physella is a genus of small, left-handed or sinistral, air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Physidae. These snails eat algae , diatoms and other detritus .
Species available vary in different parts of the world. In the United States, commonly available species include ramshorn snails such as Planorbella duryi, bladder snails such as Physella acuta, apple snails such as Pomacea bridgesii, the high-spired thiarid Malaysian trumpet snail, Melanoides tuberculata, and several Neritina species.
The Utah physa, scientific name Physella utahensis, is a species of freshwater snail, an aquatic gastropod mollusk in the family Physidae. [ 1 ] [ 2 ] The common name refers to the state of Utah . This species is endemic to the United States and is known from Utah, Colorado , and Wyoming .
The etymology of the word "morphology" is from the Ancient Greek μορφή (morphḗ), meaning "form", and λόγος (lógos), meaning "word, study, research". [2] [3]While the concept of form in biology, opposed to function, dates back to Aristotle (see Aristotle's biology), the field of morphology was developed by Johann Wolfgang von Goethe (1790) and independently by the German anatomist ...
The Snake River physa snail, scientific name Physella natricina, is a species of freshwater snail, an aquatic gastropod mollusk in the family Physidae. This species is endemic to Idaho in the United States. The Snake River physa snail Haitia natricina Taylor, 1988 is found in the middle Snake River of southern Idaho.