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Light absorption and utilization by colonies of the congeneric hermatypic corals Montastraea faveolata and Montastraea cavernosa. Limnol. Oceanogr., 45(1): 76-86. Leutenegger, A., C. D'Angelo, M. Matz, A. Denzel, F. Oswald, A. Salih, G.
Since they are more closely related to each other than to congenerics from neighbouring rivers, the theory that they arose from repeated invasions from the rivers over time is no good.
Asian arowanas are distinguished from Australian congenerics S. jardinii and S. leichardti by having fewer (21-26) lateral line scales (versus 32-36 for the Australian species), longer pectoral and pelvic fins, and a longer anterior snout.[2] ...
See also: Spawn, Water, Freshwater, Shrimp, Color
 
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