''Septaria porcellana'' is a
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of
freshwater snail
Freshwater snails are gastropod mollusks that live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs t ...
, a
gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusc
Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...
in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Neritidae
Neritidae, common name the nerites, is a Taxonomy (biology), taxonomic Family (biology), family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive Operculum (gastropod), operculum.
MolluscaBase eds. (202 ...
.
[MolluscaBase eds. (2022). MolluscaBase. Septaria porcellana (Linnaeus, 1758). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=818888 on 2022-05-24]
;Subspecies:
* ''
Septaria porcellana borbonica
''Septaria porcellana borbonica'' is a subspecies of freshwater snail, a gastropod mollusc in the family Neritidae.MolluscaBase eds. (2022). MolluscaBase. Septaria porcellana borbonica (Bory de Saint-Vincent, 1804). Accessed through: World Regis ...
''
(Bory de Saint-Vincent, 1804)
* ''Septaria porcellana porcellana''
(Linnaeus, 1758)
Distribution
The geographical distribution of ''Septaria porcellana'' includes
India
India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
, the
Philippines
The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
,
Indonesia
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
,
New Guinea
New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...
and
New Caledonia
New Caledonia ( ; ) is a group of islands in the southwest Pacific Ocean, southwest of Vanuatu and east of Australia. Located from Metropolitan France, it forms a Overseas France#Sui generis collectivity, ''sui generis'' collectivity of t ...
, found in still and swift currents on stones anywhere from a few meters from he sea to 5-6 kilometers inland.
Description
The length of the shell attains 13.1 mm. The shell is symmetrical, cap-like and relatively deep and wide. The outside base color is yellow-brown with a black or purple-pink pattern of triangles and horizontal lines. Inside is white to light gray, septum narrow, and its edge curved and tinged yellow.
Sexual dimorphism
Sexual dimorphism is the condition where sexes of the same species exhibit different Morphology (biology), morphological characteristics, including characteristics not directly involved in reproduction. The condition occurs in most dioecy, di ...
in the species presents as males being generally smaller than females. Male reproductive organs consist of a large flap-like penis with a papilla and a small auxiliary gland. Females have a ventral remnant of a spermatophore sac without
spermatophore
A spermatophore, from Ancient Greek σπέρμα (''spérma''), meaning "seed", and -φόρος (''-phóros''), meaning "bearing", or sperm ampulla is a capsule or mass containing spermatozoa created by males of various animal species, especiall ...
s.
Life cycle
Human use
This species is sold in the ornamental
pet trade
Wildlife trade refers to the exchange of products derived from non-domesticated animals or plants usually extracted from their natural environment or raised under controlled conditions. It can involve the trade of living or dead individuals, tis ...
for use in
freshwater aquaria.
[Ng, T. H., Tan, S. K., Wong, W. H., Meier, R., Chan, S. Y., Tan, H. H., & Yeo, D. C. (2016). "Molluscs for sale: assessment of freshwater gastropods and bivalves in the ornamental pet trade". ''PLoS ONE'' 11(8): e0161130. ]
References
* Kerr, A. M. 2013. Annotated Checklist of the Aquatic snails of the Mariana Islands, Micronesia. University of Guam Marine Laboratory Technical Report 147: 1-18
* Eichhorst T.E. (2016). Neritidae of the world. Volume 2. Harxheim: Conchbooks. pp. 696–1366
* Benthem Jutting, W. S. S. van. (1958). Non-marine Mollusca of the island of Misool. Nova Guinea: A Journal of Botany, Zoology, Anthropology, Ethnography, Geology and Palaeontology of the Papuan Region. 9 (1): 293–338.
External links
Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima, reformata [10th revised edition], vol. 1: 824 pp. Laurentius Salvius: HolmiaeSowerby, G. B. I. (1825). A catalogue of the shells contained in the collection of the late Earl of Tankerville: arranged according to the Lamarckian conchological system: together with an appendix, containing descriptions of many new species- London, vii + 92 + xxxiv ppSchumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. Schultz, Copenghagen. iv + 288 pp., 22 plsLesson, R. P. (1831). Chapitre XI. Mollusques, Annélides et Vers; par R.-P. Lesson. pp. 239-456 [15 Nov 1831]. In: Lesson R.P. 1830-1831. Voyage autour du monde, Exécuté par Ordre du Roi, sur La Corvette de Sa Majesté, La Coquille, pendant les années 1822, 1823, 1824 et 1825, sous le ministere et conformément aux Instructions de S.E.M. le Marquis de Clermont-Tonnerre, Ministre de la Marine; Et publié sous les auspices de son Excellence Mgr le Cte de Chabrol, Ministre de la Marine et des Colonies, par M.L.I. Duperrey, Capitaine de Frégate, Chevalier de Saint-Louis et Membre de la Légion d'Honneur, Commandant de l'Expedition. Zoologie, par M. Lesson. Tome Second. 1re Partie. Paris, Arthus Bertrand, Libraire-Editeur, Imprimerie de Firmin Didot. pp. 1–471Récluz, C. A. (1842). Prodrome d'une monographie du genre Navicelle. Revue Zoologique par la Société Cuvierienne. 4: 369-382Martens, E. von. (1897). Süss- und Brackwasser-Mollusken des Indischen Archipels. Zoologische Ergebnisse Einer Reise in Niederländisch Ost-Indien 4: 1-331, pls 1-12Abdou, A. (2021). New taxonomic and phylogeographic data on three nominal species of the genus Septaria Férussac, 1807 (Gastropoda: Cycloneritida: Neritidae). Zootaxa. 4915 (1): 28-40. Haynes, A. (2001). A revision of the genus Septaria Férussac, 1803 (Gastropoda: Neritimorpha). Annalen des Naturhistorischen Museums in Wien. Serie B für Botanik und Zoologie. 103: 177-229
{{Taxonbar, from=Q10931451
Neritidae
Gastropods described in 1758
Taxa named by Carl Linnaeus