词条 | Caridina dennerli |
释义 |
| image = Caridina-dennerli.jpg |status = CR | 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. dennerli | binomial = Caridina dennerli | binomial_authority = Von Rintelen & Cai, 2009 [2] }} Caridina dennerli is a small species of freshwater shrimp from Sulawesi (Indonesia) that grows up to {{convert|2.5|cm|1}} in length. It takes its name from the German company Dennerle, which supported the expedition that led to the scientific description of the species.[2] It is popularly known as the 'Cardinal Shrimp' in the aquarium trade. Distribution and ecologyC. dennerli is endemic to Lake Matano and is found among rocks and cliffs, from shallow water down to {{convert|10|m}} Lake Matano is ultra-oligotrophic, which means that it is extremely nutrient poor and contain very little organic matter. The visibility underwater was estimated to be around {{convert|20|m|abbr=on}}. The temperature in Lake Matano varies in the range {{convert|27|-|31|C|F}}. A pH of 7.4 and a conductivity of 224 μS/cm) have been recorded. C. dennerli is believed to feed on detritus in nature. DescriptionThe female is larger than the male, and has a deeper carapace. The eggs of C. dennerli are relatively large for the size of the shrimp and are carried underneath the female's abdomen. ThreatsThis species is threatened by pollution from nickel mining and human activities, introduced species like the Nile perch and hydro-electric power plants on the southern shore of Lake Matano. References1. ^von Rintelen, K. 2018. Caridina dennerli. The IUCN Red List of Threatened Species 2018: e.T198055A109683594. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T198055A109683594.en. Downloaded on 30 December 2018. 2. ^1 {{Cite journal |author=Kristina von Rintelen & Yixiong Cai |year=2008 |title=Radiation of endemic species flocks in ancient lakes: systematic revision of the freshwater shrimp Caridina H Milne Edwards, 1837 (Crustacea: Decapoda: Atyidae) from the ancient lakes of Sulawesi, Indonesia, with the description of eight new species |journal=Raffles Bulletin of Zoology |volume=57 |issue=2 |pages=343–452 |url=http://rmbr.nus.edu.sg/rbz/biblio/57/57rbz343-452.pdf }}
External links
5 : Atyidae|Freshwater crustaceans of Asia|Crustaceans of Indonesia|Endemic fauna of Indonesia|Crustaceans described in 2009 |
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