Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:32Public Records:12
Specimens with Sequences:13Public Species:2
Specimens with Barcodes:13Public BINs:2
Species:2         
Species With Barcodes:2         
          
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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Arapaimidae

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Wikipedia

Arapaimidae

Arapaima is a family of freshwater osteoglossiform fishes known as the bonytongues. The species in this family are native to the Amazon River of Brazil and Africa.[1] This family is sometimes considered to be a part of the arowana family, Osteoglossidae.

A genetic study shows that the lineage leading to the arapaima and African arowana diverged about 220 million years ago, during the Late Triassic; the lineage leading to the silver and blackish blue arowanas of South America diverged about 170 million years ago, during the Middle Jurassic. The lineage leading to the Australian arowanas diverged from that leading to the Asian arowanas about 140 million years ago, during the Early Cretaceous.[2]

References[edit]

  1. ^ a b Froese, Rainer, and Daniel Pauly, eds. (2013). "Arapaimidae" in FishBase. August 2013 version.
  2. ^ Kumazawa, Yoshinori (2003). "The reason the freshwater fish arowana live across the sea". Quarterly Journal Biohistory (Winter). Retrieved 2006-07-02. 
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