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The Pacific banana slug is the second-largest species of terrestrial slug in the world, achieving a length of up to 25 centimetres (9.8 in) [6] and a weight of up to 115 grams (4.1 ounces). [7] The largest slug species is Limax cinereoniger, which can reach 30 centimetres (12 in) in length. Banana slugs have an average lifespan of 1–7 years. [5]
Banana slugs are hermaphroditic, meaning they are both male and female at the same time. [3] During reproduction, Ariolimax buttoni engages in apophallation - the behavior in which a slug chews off its mating partner's penis. [5] Their mating season is very long, lasting from February to early September. In addition, the copulation itself is long.
Ariolimax columbianus, the Pacific banana slug, is a species of slug found on the Pacific coast of North America. [1] It is the second-largest species of terrestrial slug in the world, growing up to 25 centimeters (9.8 in) long. [1] As of 2021, it is the most commonly observed species in the genus Ariolimax on the citizen science website ...
A slug on a wall in Kanagawa, Japan.. Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc.The word slug is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a small internal shell, particularly sea slugs and semi-slugs (this is in contrast to the common name snail, which applies to ...
The main aspects of the life cycle of gastropods include: Egg laying and the eggs of gastropods; The embryonic development of gastropods; The larvae or larval stadium: some gastropods may be trochophore and/or veliger; Estivation and hibernation (each of these are present in some gastropods only) The growth of gastropods
Marine gastropods mating. The reproductive system of marine gastropods such as those from class Opisthobranchia and order Archaeogastropoda from the class Prosobranchia, is a continuous cycle of alternating male and female reproductive role prevalence.
Ariolimacidae is a family of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the superfamily Arionoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Subfamilies and genera
Being mostly or entirely without shells, most slugs have reduced mantles.) Pilsbry (1948) stated that "the enormously developed mantle , the large empty shell sac, and the insertions of the free retractor muscles along the margins of the foot cavity, instead of dorsally as in the Arionidae are special to the Philomycidae".