First Complete Arowana Fossils Found - Asian Scientist Magazine
2017年5月5日 · The Asian arowana (Scleropages formosus), is one of the most prized and expensive aquarium fishes in the world. All previously known fossil records of Scleropages are scales, otoliths and isolated fragments of bones, and their historical distribution remains a zoogeographical enigma.
The primitive arowana (Osteoglossum) enters the LRT
2019年6月29日 · The arowana, an Amazon River predator, nests with Late Jurassic Dapedium in the LRT. The pink dot indicates the position of the pelvic fins, absent in the skeleton below, present in the specimen above.
Gerard Geer - This is the articulated skeleton of an...
This is the articulated skeleton of an Arowana, a bony tongued South American fresh water fish. Facultative air breathers, they use both their gills and a modified swim bladder to obtain oxygen from both water and air respectively.
New species of arowana (osteoglossid fish) discovered from ...
2017年4月11日 · "This new fish resembles Scleropages in skull bones, caudal skeleton, the shape and position of fins, and reticulate scales. Therefore, it must belong to the genus", said Dr. ZHANG Jiangyong of...
Arapaimidae - Wikipedia
Arapaimidae is a family of freshwater ray-finned fish belonging to the family Osteoglossidae. It includes the South American arapaimas of the Amazon and Essequibo basins and the African arowana (Heterotis niloticus) from the watersheds of the Sahelo-Sudanese region, Senegal, Gambia, and parts of Eastern Africa. [1] .
Arowana skull | MonsterFishKeepers.com
2010年2月7日 · Here is a skull of a silver arowana that died from jumping out of the tank back in mid 2009. I just dug up the skull only recently.
Silver arowana - Wikipedia
The silver arowana (Osteoglossum bicirrhosum) is a South American freshwater bony fish of the family Osteoglossidae. Silver arowanas are sometimes kept in aquariums, but they are predatory and require a very large tank. [2] The generic name Osteoglossum means "bone-tongued" and the specific name bicirrhosum means "two barbels" (from the Greek ...
New species of arowana (osteoglossid fish) di | EurekAlert!
"This new fish resembles Scleropages in skull bones, caudal skeleton, the shape and position of fins, and reticulate scales. Therefore, it must belong to the genus", said Dr. ZHANG.
Deciphering the Evolutionary History of Arowana Fishes ...
Arowanas (Osteoglossinae) are charismatic freshwater fishes with six species and two genera (Osteoglossum and Scleropages) distributed in South America, Asia, and Australia.
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