Snails not in shell

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photographs of apple snails shells, apple snails shells pila scutata , singapore.

(picture not licenced under creative commons) asolene (asolene) sp . guaiba lake, rio grande do sul state, brasil. - - . mm high. asolene (asolene) sp . guaiba lake, rio grande do sul state, brasil. - - . mm high. asolene (pomella) megastoma . uruguay river, são borja city, rio grande do sul, brasil...

https://applesnail.net/content/photos/photo_shells_4.htm

(picture not licenced under creative commons) pomacea paludosa. (picture not licenced under creative commons) pomacea paludosa. (picture not licenced under creative commons) pomacea paludosa. (picture not licenced under creative commons) pomacea paludosa.

(picture not licenced under creative commons) pomacea paludosa....

https://applesnail.net/content/species/pomacea_paludosa.htm

. - - . mm high. this is an unidentified asolene species, if anyone knows more about this snails or recognize this snails as being in a collection, it would be greatly appreciated if you contact us (stijn ghesquiere or fabio faraco). shell : the shell is thick and heavy and as wide is high (about to

mm). the shell is oval in shape, with medium sized spire. the umbilicus is very narrow or even closed. the surface of the shell is slightly rough the colour is light brown with or without very fanit dark bands. the inside of the shell is very dark brown to black. operculum: asolene (asolene) sp. photographed...

https://applesnail.net/content/species/asolene_asolene_sp.htm

if you are planning to use any of the lesson plans i'm presenting, a good place to start is to print out and use the checklist educators: please take the time to read this: an important message from the us department of agriculture, animal and plant health inspection service re: giant african land snails

worksheets, articles, etc. k - checklist general lesson plan: (quite adaptable for many different projects and lesson plans by avril bourquin & robynn honeychurch general lesson plan; info for k suggested grade lesson plans using the general lesson plan information k- - - online plan online visual shell...

http://www.manandmollusc.net/teachers_index.html

beautiful photographs of apple snails and their habitat in singapore and malaysia. i definately recommend his excellent website about snails in singapore: . chris lukhaup for his contribution of excellent photographs ( example here ). the quality of these pictures is way above average. besides snails

without your help and assitance, the information in asolene and felipponea sections would be scarse. frank steuerwald from germany for sending a bunch of beautiful blue pomacea diffusa snails. helen racz lorenz for contributing her experiences with asolene pulchella and pomacea insularum. i also would...

https://applesnail.net/content/various/contributors.htm

respiration respiratory system overview d anatomy digestion senses nerves respiration circulation reproduction other shell pomacea haustrum ,one of the larger apple snails, with extended siphon. the respiratory system of the apple snail is highly adapted to tropical waters, which once in a while dry

up. this change in water availability is reflected in the apple snails respiration system: a combination of both a gill and a lung . the arise of the lung in apple snail can be explained by the following conditions: low oxygen levels: the oxygen (o ) levels in tropical pools can become very low due to...

https://applesnail.net/content/anatomy/respiration.php

. - - . mm high. shell : the shell in asolene spixi has a pointed top and the aperture (shell opening) is oval in shape, in which the corneous operculum can be retracted. the sutures are relatively flat and the umbilicus is of medium size. the shell surface is smooth and has a yellow base colour with

sharp, dark brown spiral stripes on it. these dark band are mainly located at the underside of the shell (near the umbilicus), giving the shell a dark apperance when seen from the underside and a light colour from above. interactive d-models (java): - asolene spixi shell operculum: the corneous, medium...

https://applesnail.net/content/species/asolene_asolene_spixi.htm

rice production. in , the food and agriculture organization of the united nations estimated that yield tosses owing to this pest ranged from % to % of the planted area in the philippines, resulting in huge production loss. to control this pest, many farmers resort to the massive use of synthetic molluscicides

the philippines, - . m hectares are infested with golden apple snail. in , p m was spent to control this pest. the first account that it had become a major pest was recorded in when about hectares of irrigated rice farms in region (cagayan valley) were heavily damaged. since then, rice area infested...

https://applesnail.net/pestalert/management_guide/pest_management.php

. • nematocysts: the stinging cells that are produced by animals in the cnidaria phylum • cnidosacs: found in the tips of the cerata and are where aeolids store the nematocysts that they have absorbed from their prey. • mantle: a special organ that covers the bulk of the nudibranch's body. what are nudibranchs

• classified as gastropods, they are commonly referred to as sea slugs. they are related to snails but lack a shell. • they are born with a shell but lose it as they transition to adult- hood. • they are split into two categories, dorids and aeolids. • the key difference is that aeolids have specialized...

https://www.georgiaaquarium.org/wp-content/uploads/2020/05/Gnarly-Nudibranch-Fact-Sheet.pdf

photographs, apple snail varia, apple snail varia a photograph of a pomacea diffusa shell , cut in half. osphradia near the opening of the lung (pomacea diffusa ). eye at the base of a tentacle (pomacea diffusa ). slow progressed shell erosion (pomacea diffusa (bridgesii) ). severely damaged shell (

marisa cornuarietis ). shell-growth problem due to damaged mantle edge ( pomacea diffusa ). the heart of pomacea canaliculata in action. marisa cornuarietis is not selective when it comes to a mating partner and mounts other species as well (in this case a pomacea flagellata snail). sex differences in...

https://applesnail.net/content/photos/photo_applevaria_1.htm