Snails not in shell

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pomacea glauca pomacea (effusa) glauca (linné, ) synonym (obsolete): ampularia cuprina (reeve, ) shell from underside. note that the shell is very wide and less high. (picture not licenced under creative commons) shell, back view. visible are the indented sutures.

(picture not licenced under creative commons) live specimen, eating lettuce (snail from venezuela). (picture not licenced under creative commons) pomacea glauca. (picture not licenced under creative commons) pomacea glauca. (picture not licenced under creative commons) pomacea glauca....

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

insularum . shel l: the shell of this apple snail species is globose and relatively heavy (especially in older snails). the to whorls are separated by a deep, indented suture (hence the name 'canaliculata' or 'channeled'). the shell opening (aperture) is large and oval to round. males are known to have

a rounder aperture than females. the umbilicus is large and deep. the overal shell shape is similar to that of pomacea lineata, except the deeper sutures and more globose shape in canaliculata. the size of these snails varies from to mm wide and to mm high depending on the conditions. the colour varies...

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attached to the inside of the shell and enveloping the head-neck and the gills-lung area of the body. the top of the mantle cavity (the part away from the shell opening or the posterior part) is separated in two chambers, the left one forms the lung and right one contains the gill (ctenidium) with the

hypobranchial gland in between the rectum and the gill. the latter (hypobranchial gland) secretes mucus into the mantle cavity. the bottom of the mantle cavity (anterior) is the mantle edge, which fits against the shell opening (aperture) and has an important function: it is the growing edge for the...

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applesnail.net exists . [ look here ] for info. pomacea diffusa ( old name : pomacea bridgesii) apple snails are tropical and sub-tropical freshwater snails from the family ampullariidae (sometimes referred to as pilidae ). the ampullariidae are divided in several genera. the genera asolene , felipponea

adaptation is reflected in their life style : moderately amphibious and being equipped with a shell door enabling the snail to close its shell (to prevent drying out while hiding in the mud during dry periods). a typical adaptation of apple snails is the combination of a branchial respiration system...

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pomacea columellaris (gould, ) pomacea (pomacea) columellaris (gould, ) shell : the shell of this apple snail species is oval with a sharp spire and relatively heavy (especially in older snails). the suture angle between the whorls is more than °. the shell opening (aperture) is oval to round at the

base, but with makes a sharp angle at top. the size of these snails varies from to mm high depending on the conditions. the umbilicus is closed. the shell has a light base colour (gray-brown to greenish-blue), a bit stone-like yellow with faint, non-contineous brown spiral bands. operculum: the operculum...

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hamburg (nf) , pp. bever, m. m & borgens, r. b. . eye regeneration in the mystery snail. journal of experimental zoology, : - . bieler, r. . book review (vergleichende anatomie ... berthold, t, ) and cloadistic re-analysis. the veliger, ( ): - . brown, d. s. . freshwater snails of africa and their medical

the large fresh-water snail pila ovata (ampullariidae) - i. changes in oxygen uptake. como. biochem. physiol., : - . coles, g. c. . the termination of aestivation in the large fresh-water snail pila ovata - ii. in vitro studies. comp. biochem. physiol., : - . cowie, r. h. . identity, distribution and...

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of a sinistral marisa cornuarietis snail. new picture of mating snails. new dissection photographs ( & ). ( / ): mini-guide to identify the most common apple snails available in the aquarium trade. ( / ): improved navigation in the species section. ( / ): update of the ' various snails ' section. (

( / ): new url: . ( / ): new photograph of the snail kit e (rostrhamus sociabilis), a major apple snail predator in the neotropics. ( / ): added some apple snails recipes in the ' eating apple snails ' section. various small updates. ( / ): new photograps in the ' diseases ' section. ( / ): various small...

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pila globosa pila globosa (swainson, ) pila globosa (picture not licenced under creative commons) shell : the shell is globose with an oval opening. in contrast with pila ampullacea , pila globosa has a large and deep umbilicus. the colour varies from olive green to grey green with a tinge of red. a

large number of variations are known. the interior of the shell is dull reddish with very faint spiral bands visible, white at the columella. operculum: the operculum is calcified at the inside (part attached to the snail). body: ?...

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abstract density-dependent growth and reproduction of the apple snail, pomacea canaliculata: a density manipulation experiment in a paddy field tanaka k, watanabe t, higuchi h, miyamoto k, yusa y, kiyonaga t, kiyota h, suzuki y, wada t tanaka k, natl inst agroenvironm sci, lab populat ecol, - - kannondai

, tsukuba, ibaraki , japan abstract to examine density dependence in the survival, growth, and reproduction of pomacea canaliculata, we conducted an experiment in which snail densities were manipulated in a paddy field. we released paint-marked snails of - mm shell height into enclosures (pens) of m(...

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bio-agent bio-agent using apple snails as a biological control agent for parasites apple snails (ampullariids) are usable as biological control agents for other bulinus and biomphalaria snails. these pulmonate snails are an intermediate host for trematoda parasites that can affect man and cause swimmers

itch and schistomiasis. although apple snails do get infected, the parasite isn't able to complete its life cycle in most apple snails and no infectious larvea are released from the snails. however, several reports have revealed that apple snails can carry and release non-human schistosome trematodes...

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