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- Alcolapia_grahami abstract "Alcolapia grahami, the Lake Magadi tilapia, is a vulnerable species of fish in the Cichlidae family.It is endemic to the hypersaline, warm and highly alkaline Lake Magadi in Kenya, but has also been introduced to Lake Nakuru in Kenya and Lake Natron in Tanzania.The fish is obligately ureotelic (urea excreting), unlike most teleosts which produce ammonia. The reason for this appears to be due to the difficulty of diffusing ammonia into a highly alkaline environment, not pH regulation as previously thought. Efficient nitrogen excretion is particularly crucial as the fish feeds on cyanobacteria which have a very high nitrogen content. Urea is also used in a small way, but significantly, in osmoregulation. Due to the salinity of the lake, A. grahami has an unusually high osmolarity of around 580 mosm, about half that of seawater. For comparison, most marine teleosts have an osmolarity of only around a third of seawater. Sodium chloride is the main contributor to this osmolarity, though around three times as much sodium than chloride ions are present.A. grahami has been shown to be able to tolerate temperatures of 42°C and has been observed in 38°C water naturally. At high temperatures, the solubility of oxygen in water decreases. Owing to a very high rate of urea production, and the elevated metabolic rate this causes, this is a particularly significant problem for the fish. During such times, they have been observed to gulp air to increase their oxygen intake.".
- Alcolapia_grahami binomialAuthority George_Albert_Boulenger.
- Alcolapia_grahami class Actinopterygii.
- Alcolapia_grahami conservationStatus "VU".
- Alcolapia_grahami conservationStatusSystem "IUCN3.1".
- Alcolapia_grahami family Cichlid.
- Alcolapia_grahami genus Alcolapia.
- Alcolapia_grahami kingdom Animal.
- Alcolapia_grahami order Perciformes.
- Alcolapia_grahami phylum Chordate.
- Alcolapia_grahami wikiPageExternalLink obligatory-urea-production-and-cost-living-magadi-tilapia.
- Alcolapia_grahami wikiPageExternalLink www.iucnredlist.org.
- Alcolapia_grahami wikiPageExternalLink all.
- Alcolapia_grahami wikiPageID "12603164".
- Alcolapia_grahami wikiPageRevisionID "584580257".
- Alcolapia_grahami binomial "Alcolapia grahami".
- Alcolapia_grahami classis Actinopterygii.
- Alcolapia_grahami familia Cichlid.
- Alcolapia_grahami genus "Alcolapia".
- Alcolapia_grahami hasPhotoCollection Alcolapia_grahami.
- Alcolapia_grahami month "April".
- Alcolapia_grahami name "Alcolapia grahami".
- Alcolapia_grahami ordo Perciformes.
- Alcolapia_grahami phylum Chordate.
- Alcolapia_grahami regnum Animal.
- Alcolapia_grahami species "A. grahami".
- Alcolapia_grahami species "grahami".
- Alcolapia_grahami status "VU".
- Alcolapia_grahami statusSystem "IUCN3.1".
- Alcolapia_grahami year "2011".
- Alcolapia_grahami subject Category:Alcolapia.
- Alcolapia_grahami type Animal.
- Alcolapia_grahami type Eukaryote.
- Alcolapia_grahami type Fish.
- Alcolapia_grahami type Species.
- Alcolapia_grahami type Fish.
- Alcolapia_grahami type Organism.
- Alcolapia_grahami comment "Alcolapia grahami, the Lake Magadi tilapia, is a vulnerable species of fish in the Cichlidae family.It is endemic to the hypersaline, warm and highly alkaline Lake Magadi in Kenya, but has also been introduced to Lake Nakuru in Kenya and Lake Natron in Tanzania.The fish is obligately ureotelic (urea excreting), unlike most teleosts which produce ammonia.".
- Alcolapia_grahami label "Alcolapia grahami".
- Alcolapia_grahami label "Alcolapia grahami".
- Alcolapia_grahami label "Alcolapia grahami".
- Alcolapia_grahami label "格氏雀麗魚".
- Alcolapia_grahami sameAs Alcolapia_grahami.
- Alcolapia_grahami sameAs Alcolapia_grahami.
- Alcolapia_grahami sameAs Alcolapia_grahami.
- Alcolapia_grahami sameAs m.02wxhr1.
- Alcolapia_grahami sameAs Q3526262.
- Alcolapia_grahami sameAs Q3526262.
- Alcolapia_grahami wasDerivedFrom Alcolapia_grahami?oldid=584580257.
- Alcolapia_grahami isPrimaryTopicOf Alcolapia_grahami.
- Alcolapia_grahami name "Alcolapia grahami".