| 词条 | Caridina gracilirostris |
| 释义 |
| image = Caridina gracilirostris.JPG | status = LC | status_system = IUCN3.1 | status_ref = [1] | regnum = Animalia | phylum = Arthropoda | subphylum = Crustacea | classis =Malacostraca | ordo =Decapoda | infraordo =Caridea | familia =Atyidae | genus = Caridina | species = C. gracilirostris | species_authority = De Man, 1892 [1] | binomial = Caridina gracilirostris | binomial_authority = De Man, 1892 [2] | synonyms = Caridina pseudogracilirostris[3] }} Caridina gracilirostris is a species of brackishwater shrimp belong to genus Caridina in the family Atyidae. It has a wide native range extending from Japan and Fiji through Indonesia to Madagascar.[4] It is an algae-eating species that lives in mangroves and marshes.[5] Its common names include red front shrimp,[6] red rhinoceros shrimp, red nosed phantom shrimp, and needlenose caridina,[7] red nosed shrimp. DescriptionCaridina gracilirostris has a nearly transparent body, and with an elongated red rostrum on its head. This red rostrum is the basis for many of the common names given to it, like the rhino shrimp and the mosquito shrimp.[8] On the rostrum, there are clusters small and tight spikes on the ventral side of the rostrum, and the dorsal side is covered with larger and more dispersed spikes.[5] If the shrimp's rostrum is broken off, it will regenerate.[11] Males have red lines running laterally down the body, while females are less colorful and more transparent. Both genders have a distinct hump on their abdomen. An adult can reach {{convert|3.5|-|4|cm|in}}.[9]BehaviorCaridina gracilirostris is peaceful and coexists with most other similarly sized shrimps. The swimming of the shrimp has been described as "entertaining".[11]ReproductionIt is difficult to breed, because it will only mate in brackish water. It will grow to {{convert|3.5|-|4|cm|in}}. It prefers water temperature from {{convert|20|to|28|C|F}} and a pH 6.5 to 7.5.[10] Females of Caridina gracilirostris often have hundreds of green eggs under their bodies.[11] The larvae requires brackish water to grow. In captivityThese shrimp are favorites in aquariums and often kept as a pet in freshwater aquariums due to
References{{Commonscat}}1. ^WoRMS (2018). Caridina gracilirostris de Man, 1892. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=586231 on 2018-04-09 {{Taxonbar|from=Q3932817}}2. ^WoRMS (2018). Caridina gracilirostris de Man, 1892. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=586231 on 2018-04-09 3. ^WoRMS (2018). Caridina gracilirostris de Man, 1892. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=586231 on 2018-04-09 4. ^1 De Grave, S., Wowor, D. & Klotz, W. 2013. Caridina gracilirostris. The IUCN Red List of Threatened Species 2013. Downloaded on 14 June 2016. 5. ^1 {{cite web |url=http://www.crusta-fauna.org/shrimp-index/caridina-gracilirostris/ |title=Caridina gracilirostris |date=8 December 2008 |publisher=Crusta-Fauna}} 6. ^Heerbrandt, T. C., & Lin, J. (2006). Larviculture of red front shrimp, Caridina gracilirostris (Atyidae, Decapoda). Journal of the World Aquaculture Society 37(2), 186-190. 7. ^Fransen, C. (2015). Caridina gracilirostris de Man, 1892. Accessed through: World Register of Marine Species (WoRMS) on 14 June 2016. 8. ^{{cite web |url=http://www.petshrimp.com/rednoseshrimp.php |title=Red nose shrimp |publisher=Petshrimp.com}} 9. ^{{cite web |url=http://www.shrimpnow.com/viewarticle.php?articleid=3 |title=Caridina gracilirostris (red nose / mosquito shrimp) |publisher=ShrimpNow}} 10. ^1 2 {{cite web |url=http://www.aquaticcommunity.com/inv/rednosedshrimp.php |title=Red nosed shrimp |publisher=Aquatic Community}} 11. ^Females of Caridina gracilirostris bearing eggs, reproduction. 5 : Atyidae|Fishkeeping|Freshwater crustaceans of Africa|Crustaceans described in 1892|Freshwater crustaceans of Asia |
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