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Lissachatina fulica (ex: Achatina fulica) - Giant African Snail / Caracol-Gigante-Africano (Férussac, 1821) Gastropoda: Orthogastropoda: Heterobranchia: Pulmonata: Stylommatophora: Sigmurethra: Achatinoidea: Achatinidae: Achatininae<br />
<br />
ENGLISH VERSION HERE:<br />
<br />
Lissachatina fulica, previously known as Achatina fulica, is a species of land snails belonging in the class Gastropoda, subclass Orthogastropoda, superorder Heterobranchia, order Pulmonata, subinfraorder Stylommatophora, infraorder Sigmurethra, superfamily Achatinoidea, family Achatinidae and subfamily Achatininae.<br />
<br />
There are four subspecies in this species:<br />
 <br />
Lissachatina fulica hamillei (Petit, 1859)<br />
Lissachatina fulica rodatzi (Dunker, 1852)<br />
Lissachatina fulica sinistrosa (Grateloup, 1840)<br />
Lissachatina fulica umbilicata (Nevill, 1879)<br />
<br />
Lissachatina fulica is a large snail that is native to East Africa. They have a very wide diet, being able to feed on decaying vegetable matter, fruits, live vegetables, rich soil, tiny stones, bones and even concrete. The Lissachatina fulica needs a lot of calcium (Ca, atomic number 20) to maintain their shell healthy. Deficiency in calcium causes the shell to break or / and to become very soft, eventually making the snail eat its own shell to get calcium and die, or to feed on the shell of other snails, causing damage to that snail. This condition is very serious to the health of the snail and can lead to its death. Later on, I will provide a list of allowed food and a calcium-rich diet that is exceptional to the health of the snail&#039;s shell.<br />
<br />
They are hermaphrodites. They are also able to self-fertilize, but these cases are considered rare. A bump (often confused as a tumor) on the right side of the head appears as the snail matures; this is actually the snail&#039;s genitalia which they use through bilateral mating. Snails of different sizes will often mate unilaterally, the larger acting as the female. The transfer of gametes can last up to two hours and courting involves touching each other&#039;s heads and frontal parts. The sperm transferred can be stored for two years and an average of 200 eggs can be produced. Adulthood is reached in about 6 months, but they only stop growing when they die. After adulthood, growth slows. They can live up to 10 years with an average of 5 or 6 under captivity; in nature, that expectancy is usually halved. They prefer to stay hidden underground during the day, and come out of the ground to feed at night.<br />
<br />
They are hosts to a few parasites, which include:<br />
<br />
1 - Aelurostrongylus abstrusus, which causes cardiopulmonary strongylosis in cats. The diagnosis is completed through microscopic identification and confirmation of the pathology through the examination of the parasites in the faeces.<br />
<br />
2 - Angiostrongylus cantonensis, which causes eosinophilic menigoencephalitis. The diagnosis is done through lumbar punctioning, the exam of hemogram, blood culture and C-Reactive Protein.<br />
<br />
3 - Angiostrongylus costaricensis, which causes abdominal angiostrongyliasis. Of hard diagnosis and not detectable through the examination of the faeces. One of the marks of this pathology is the eosinophilia in the hemogram, which is the mass production of eosinophils. The parasites place themselves in the arterioles of the mesenteric artery of the ileum cecal region of the intestine in the lower right quadrant, causing pain that imitates appendicitis, or in the spermatic artery. They do not appear in ultrasound scans or in computed tomography with intravenous contrast. Diagnosis can be done through colonoscopy (I&#039;m unaware how reliable it is) with biopsy of the inflammated areas or through laparatomy, with excision of the affected part of the intestine followed by anastomosis. The biopsy will comprove the pathology if the patient has it.<br />
<br />
4 - Schistosoma mansoni, which causes schistosomiasis, detectable through the faeces. The presence of eosinophilia in the hemogram (mass production of eosinophils) and the conduction of the examination of the faeces with quantitative coproscopy (such as Hoffman or Kato-Katz) might detect the pathology. The hemogram displays leukopenia, anemia and thrombocytopenia, being pathognomonic the fibrosis and periportal thickening, hypertrophy of the left hepatic lobe and increased caliber of the superior mesenteric artery. Rectal biopsy may also be used.<br />
<br />
5 - Trichuris spp., which is detectable in the faeces and causes trichuriasis.<br />
<br />
6 - Hymenolepis spp., which is detectable in the faeces and causes hymenolepiasis.<br />
<br />
7 - Strongyloides spp., which is detectable in the faeces and in mucous secretions and causes strongyloidiasis.<br />
<br />
Exceptional food sources to the health of a Lissachatina fulica can include: apple, apricot, avocado, banana, plum, pumpkin, pitaya, grapes, kiwi, mango, melon, nectarine, orange, Indian fig, peach, pear, blackberry, raspberry, tomato leaves, spinach, cabbage, broccoli, cucumber, lettuce, green beans, mushrooms (not all, thus, not recommended), peas, berries, potato, sweet corn, turnip, leaves of Taraxacum sp. (not recommended due to the use of pesticides), oats, raw eggs, mowed egg shells, cuttlefish bone, whole wheat bread and collard greens.<br />
<br />
An exceptional, rich main diet for strengthening the shell includes extremely mowed egg shells (in which the particles look like sand) and chemical-free collard greens. More chemical-free food can be added occasionally. They prefer rich, humid soil to thrive, such as worm humus and prefer humid habitats. Water containing chlorine (Cl, atomic number 17) might cause damage towards the snail&#039;s life expectancy, so for the health of the snail, chlorine-free water is recommended.<br />
<br />
Size: Around 7cm in height and 20cm in length or more on the adults.<br />
<br />
Highly adaptable to a wide variety of habitats. They are native to East Africa, but adapted to other conditions after irresponsible introduction. They have established in most temperate regions, and now their habitat includes the humid tropics. The Lissachatina fulica can now be found in agricultural areas, coastland, natural forest, planted forests, riparian zones, scrub and shrublands, urban areas, and wetlands.<br />
<br />
Source:<br />
<br />
en.wikipedia.org/wiki/Lissachatina_fulica<br />
<br />
Text revision by Fernanda Barcellos (www.facebook.com/fernandaleonell)<br />
<br />
The individual in the middle seems to be another species, not Lissachatina fulica, so this text may be changed in the future.<br />
<br />
VERS&Atilde;O EM PORTUGU&Ecirc;S AQUI: <a href="http://www.projectnoah.org/spottings/1684168453" rel="nofollow">http://www.projectnoah.org/spottings/1684168453</a> Achatina fulica,Achatinidae,Achatininae,Achatinoidea,Brazil,Gastropod,Gastropoda,Geotagged,Giant African Snail,Heterobranchia,Lissachatina,Lissachatina fulica,Orthogastropoda,Pulmonata,Sigmurethra,Snail,Stylommatophora,brasil,ceara,ceará Click/tap to enlarge PromotedCountry intro

Lissachatina fulica (ex: Achatina fulica) - Giant African Snail / Caracol-Gigante-Africano (Férussac, 1821)

Gastropoda: Orthogastropoda: Heterobranchia: Pulmonata: Stylommatophora: Sigmurethra: Achatinoidea: Achatinidae: Achatininae

ENGLISH VERSION HERE:

Lissachatina fulica, previously known as Achatina fulica, is a species of land snails belonging in the class Gastropoda, subclass Orthogastropoda, superorder Heterobranchia, order Pulmonata, subinfraorder Stylommatophora, infraorder Sigmurethra, superfamily Achatinoidea, family Achatinidae and subfamily Achatininae.

There are four subspecies in this species:

Lissachatina fulica hamillei (Petit, 1859)
Lissachatina fulica rodatzi (Dunker, 1852)
Lissachatina fulica sinistrosa (Grateloup, 1840)
Lissachatina fulica umbilicata (Nevill, 1879)

Lissachatina fulica is a large snail that is native to East Africa. They have a very wide diet, being able to feed on decaying vegetable matter, fruits, live vegetables, rich soil, tiny stones, bones and even concrete. The Lissachatina fulica needs a lot of calcium (Ca, atomic number 20) to maintain their shell healthy. Deficiency in calcium causes the shell to break or / and to become very soft, eventually making the snail eat its own shell to get calcium and die, or to feed on the shell of other snails, causing damage to that snail. This condition is very serious to the health of the snail and can lead to its death. Later on, I will provide a list of allowed food and a calcium-rich diet that is exceptional to the health of the snail's shell.

They are hermaphrodites. They are also able to self-fertilize, but these cases are considered rare. A bump (often confused as a tumor) on the right side of the head appears as the snail matures; this is actually the snail's genitalia which they use through bilateral mating. Snails of different sizes will often mate unilaterally, the larger acting as the female. The transfer of gametes can last up to two hours and courting involves touching each other's heads and frontal parts. The sperm transferred can be stored for two years and an average of 200 eggs can be produced. Adulthood is reached in about 6 months, but they only stop growing when they die. After adulthood, growth slows. They can live up to 10 years with an average of 5 or 6 under captivity; in nature, that expectancy is usually halved. They prefer to stay hidden underground during the day, and come out of the ground to feed at night.

They are hosts to a few parasites, which include:

1 - Aelurostrongylus abstrusus, which causes cardiopulmonary strongylosis in cats. The diagnosis is completed through microscopic identification and confirmation of the pathology through the examination of the parasites in the faeces.

2 - Angiostrongylus cantonensis, which causes eosinophilic menigoencephalitis. The diagnosis is done through lumbar punctioning, the exam of hemogram, blood culture and C-Reactive Protein.

3 - Angiostrongylus costaricensis, which causes abdominal angiostrongyliasis. Of hard diagnosis and not detectable through the examination of the faeces. One of the marks of this pathology is the eosinophilia in the hemogram, which is the mass production of eosinophils. The parasites place themselves in the arterioles of the mesenteric artery of the ileum cecal region of the intestine in the lower right quadrant, causing pain that imitates appendicitis, or in the spermatic artery. They do not appear in ultrasound scans or in computed tomography with intravenous contrast. Diagnosis can be done through colonoscopy (I'm unaware how reliable it is) with biopsy of the inflammated areas or through laparatomy, with excision of the affected part of the intestine followed by anastomosis. The biopsy will comprove the pathology if the patient has it.

4 - Schistosoma mansoni, which causes schistosomiasis, detectable through the faeces. The presence of eosinophilia in the hemogram (mass production of eosinophils) and the conduction of the examination of the faeces with quantitative coproscopy (such as Hoffman or Kato-Katz) might detect the pathology. The hemogram displays leukopenia, anemia and thrombocytopenia, being pathognomonic the fibrosis and periportal thickening, hypertrophy of the left hepatic lobe and increased caliber of the superior mesenteric artery. Rectal biopsy may also be used.

5 - Trichuris spp., which is detectable in the faeces and causes trichuriasis.

6 - Hymenolepis spp., which is detectable in the faeces and causes hymenolepiasis.

7 - Strongyloides spp., which is detectable in the faeces and in mucous secretions and causes strongyloidiasis.

Exceptional food sources to the health of a Lissachatina fulica can include: apple, apricot, avocado, banana, plum, pumpkin, pitaya, grapes, kiwi, mango, melon, nectarine, orange, Indian fig, peach, pear, blackberry, raspberry, tomato leaves, spinach, cabbage, broccoli, cucumber, lettuce, green beans, mushrooms (not all, thus, not recommended), peas, berries, potato, sweet corn, turnip, leaves of Taraxacum sp. (not recommended due to the use of pesticides), oats, raw eggs, mowed egg shells, cuttlefish bone, whole wheat bread and collard greens.

An exceptional, rich main diet for strengthening the shell includes extremely mowed egg shells (in which the particles look like sand) and chemical-free collard greens. More chemical-free food can be added occasionally. They prefer rich, humid soil to thrive, such as worm humus and prefer humid habitats. Water containing chlorine (Cl, atomic number 17) might cause damage towards the snail's life expectancy, so for the health of the snail, chlorine-free water is recommended.

Size: Around 7cm in height and 20cm in length or more on the adults.

Highly adaptable to a wide variety of habitats. They are native to East Africa, but adapted to other conditions after irresponsible introduction. They have established in most temperate regions, and now their habitat includes the humid tropics. The Lissachatina fulica can now be found in agricultural areas, coastland, natural forest, planted forests, riparian zones, scrub and shrublands, urban areas, and wetlands.

Source:

en.wikipedia.org/wiki/Lissachatina_fulica

Text revision by Fernanda Barcellos (www.facebook.com/fernandaleonell)

The individual in the middle seems to be another species, not Lissachatina fulica, so this text may be changed in the future.

VERSÃO EM PORTUGUÊS AQUI: http://www.projectnoah.org/spottings/1684168453

    comments (5)

  1. Oscar, linda e incrível informação, como de costume! Então, eles estão acasalando - todos os três? Posted one year ago
    1. Não estão não Christine, o acasalamento se dá através de uma protrusão que se extende da lateral da cabeça do caracol e se conecta à protrusão da lateral direita da cabeça do outro caracol. É mais difícil acontecer acasalamento unilateral; neste caso o indivíduo do meio não parece ser um Lissachatina fulica, e sim outra espécie (mencionei no texto), então os dois que são Lissachatina fulica estão separados. Eu não os reproduzo, eles foram colocados nesta posição para fotografia apenas e a cópula costuma demorar <3

      They're not Christine, mating takes place through a bump that extends from the lateral of the snail's head that connects to the other snail's bump. Unilateral mating is harder to happen; in this case, the middle individual does not seem to be of the species Lissachatina fulica (Mentioned in the text), so the two Lissachatina fulica are separated from each other by the one in the middle. I don't reproduce them, they were placed like that only for photographing and mating usually takes a long time <3
      Posted one year ago, modified one year ago
    2. A propósito, não tenho postado ultimamente pois passei por uma cirurgia, mas logo, logo volto a postar. Não amanhã, mas depois de amanhã eu postarei :)

      By the way, I haven't posted lately because I've just undergone a surgery, but soon I will post again. Not tomorrow, but the day after tomorrow I will :)
      Posted one year ago
      1. Ok, obrigado por explicar. Acho que devo ter entendido mal o texto quando o li pela primeira vez. Espero que você se sinta melhor da sua cirurgia em breve! Posted one year ago
  2. Thank you for such an in-depth discription Oscar. They are totally amazing creatures! Posted one year ago, modified one year ago

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''Lissachatina fulica'' is a species of large land snail that belong in the Achatinidae family. It is also known as the giant African snail or giant African land snail.

This snail species has been considered a significant cause in pest issues around the world. Internationally, it is the most frequently occurring invasive species of snail.

Outside of its native range this snail thrives in many types of habitat in areas with mild climates. It feeds voraciously and is a vector.. more

Similar species: Land Snails And Slugs
Species identified by Oscar Neto
View Oscar Neto's profile

By Oscar Neto

All rights reserved
Uploaded Apr 11, 2018. Captured in Rua Tomás Acioli, 1185 - Joaquim Távora, Fortaleza - CE, 60135-180, Brazil.