Caridina
Encyclopedia
Caridina is a genus
of freshwater atyid
shrimp
s. They are widely found in tropical or subtropical water currents in Asia
, Oceania
and Africa
. They are filter-feeders, collector-gatherers and omnivorous scavenger
s. They range from 0.9–9.8 mm (C. cantonensis) to 1.2–7.4 mm (C. serrata) in carapace
length.
s or mutant
s of a shrimp from this genus, probably Caridina serrata.
, requiring care when interpreting molecular phylogenetic analyses that do not use a large number of specimens. Species include the following:
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of freshwater atyid
Atyidae
Atyidae is a family of shrimp, present in all tropical and most temperate waters of the world. Adults of this family are almost always confined to fresh water...
shrimp
Shrimp
Shrimp are swimming, decapod crustaceans classified in the infraorder Caridea, found widely around the world in both fresh and salt water. Adult shrimp are filter feeding benthic animals living close to the bottom. They can live in schools and can swim rapidly backwards. Shrimp are an important...
s. They are widely found in tropical or subtropical water currents in Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
, Oceania
Oceania
Oceania is a region centered on the islands of the tropical Pacific Ocean. Conceptions of what constitutes Oceania range from the coral atolls and volcanic islands of the South Pacific to the entire insular region between Asia and the Americas, including Australasia and the Malay Archipelago...
and Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
. They are filter-feeders, collector-gatherers and omnivorous scavenger
Scavenger
Scavenging is both a carnivorous and herbivorous feeding behavior in which individual scavengers search out dead animal and dead plant biomass on which to feed. The eating of carrion from the same species is referred to as cannibalism. Scavengers play an important role in the ecosystem by...
s. They range from 0.9–9.8 mm (C. cantonensis) to 1.2–7.4 mm (C. serrata) in carapace
Carapace
A carapace is a dorsal section of the exoskeleton or shell in a number of animal groups, including arthropods such as crustaceans and arachnids, as well as vertebrates such as turtles and tortoises. In turtles and tortoises, the underside is called the plastron.-Crustaceans:In crustaceans, the...
length.
Pets
The popular "Crystal Red" (red and white striped) are hybridHybrid
In biology and specifically, genetics, the term hybrid has several meanings, all referring to the offspring of sexual reproduction.#In general usage, hybrid is synonymous with heterozygous: any offspring resulting from the mating of two distinctly homozygous individuals#a genetic hybrid carries two...
s or mutant
Mutant
In biology and especially genetics, a mutant is an individual, organism, or new genetic character, arising or resulting from an instance of mutation, which is a base-pair sequence change within the DNA of a gene or chromosome of an organism resulting in the creation of a new character or trait not...
s of a shrimp from this genus, probably Caridina serrata.
Selected species
There is evidence for hybridization between sympatric taxaTaxon
|thumb|270px|[[African elephants]] form a widely-accepted taxon, the [[genus]] LoxodontaA taxon is a group of organisms, which a taxonomist adjudges to be a unit. Usually a taxon is given a name and a rank, although neither is a requirement...
, requiring care when interpreting molecular phylogenetic analyses that do not use a large number of specimens. Species include the following:
- Caridina acuminata Stimpson, 1860
- Caridina acutirostris Schenkel, 1902
- Caridina africana Kingsley, 1882
- Caridina brevirostris Stimpson, 1860
- Caridina caerulea Rintelen & Cai, 2009
- Caridina cantonensis Yu, 1938
- Caridina dennerliCaridina dennerliCaridina dennerli is a small species of shrimp from Indonesia that grows up to in length. It takes its name from the German company Dennerle, which funded the expedition that led to the discovery of the species. It is popularly known as the 'Cardinal Shrimp' in the aquarium trade.- Distribution...
Rintelen & Cai, 2009 - Caridina denticulata (De Haan, 1844)
- Caridina edulis Bouvier, 1904
- Caridina ensifera Schenkel, 1902
- Caridina glaubrechti Rintelen & Cai, 2009
- Caridina gracilirostrisCaridina gracilirostrisCaridina gracilirostris is an algae–eating species of shrimp native to India. In the wild, it is found in mangroves and marshes. It is often kept as a pet in freshwater aquariums due to its unique red rostrum, which gives it an unusual appearance...
De Man, 1892 - Caridina holthuisi Rintelen & Cai, 2009
- Caridina laevis Heller, 1862
- Caridina lanceolata Woltereck, 1937
- Caridina lingkonae Woltereck, 1937
- Caridina loehae Woltereck, 1937
- Caridina longidigita Cai & Wowor, 2007
- Caridina mahalona Cai et al., 2009
- Caridina masapi Woltereck, 1937
- Caridina multidentata Stimpson, 1860
- Caridina niloticaCaridina niloticaCaridina nilotica is a species of freshwater shrimp in the Atyidae family. It is native to Africa from the River Nile in Egypt to Lake Sibaya, South Africa, and is the only species of shrimp in Lake Victoria....
Roux, 1833 - Caridina opaensis Roux, 1904
- Caridina parvula Rintelen & Cai, 2009
- Caridina profundicola Rintelen & Cai, 2009
- Caridina propinqua De Man, 1908
- Caridina sarasinorum Schenkel, 1902
- Caridina schenkeli Rintelen & Cai, 2009
- Caridina serrata Stimpson, 1860
- Caridina serratirostrisCaridina serratirostrisCaridina serratirostris is a species of freshwater shrimp that lives in the Indo-west Pacific region, from Madagascar to Fiji, including northern Queensland. Its common name in the aquarium trade, "ninja shrimp", comes from its ability to quickly change colour and disappear into its surroundings...
De Man, 1892 - Caridina spinata Woltereck, 1937
- Caridina spongicola Zitzler & Cai, 2006
- Caridina striata Rintelen & Cai, 2009
- Caridina tenuirostris Woltereck, 1937
- Caridina tonkinensis Bouvier, 1919
- Caridina trifasciata Yam & Cai, 2003
- Caridina typus H. Milne-Edwards, 1837
- Caridina weberi De Man, 1892
- Caridina woltereckae Cai et al., 2009