Hypoxia‐induced developmental plasticity of larval growth, gill and labyrinth organ morphometrics in two anabantoid fish: The facultative air‐breather Siamese fighting fish (Betta splendens) and the obligate air‐breather the blue gourami (Trichopodus trichopterus)

Larval and juvenile air breathing fish may experience nocturnal and/or seasonal aquatic hypoxia. Yet, whether hypoxia induces respiratory developmental plasticity in larval air breathing fish is uncertain. This study predicted that larvae of two closely related anabantid fish—the facultative air bre...

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