Vertebrate fauna of SE Asia
  

 

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Text and photos by Nick Baker, unless otherwise credited.
Copyright ゥ Ecology Asia 2020

 
 
     
   
   

 

   
   
 
Croaking Gouramy
   
   

Fig 1


Fig 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Order : Perciformes
Family : OSPHRONEMIDAE
Species : Trichopis vittata
Maximum Length : 7 cm

The attractive Croaking Gouramy inhabits freshwater streams of neutral pH in open countryside, as well as stillwater ponds and lakes. It is able to tolerate water deficient in oxygen, relying on its labyrinth organ to extract oxygen directly from free air.

This species is so-called because it is able to vocalise, making soft croaking sounds by which it appears to communicate with others of its species. It builds a bubble-nest hidden amongst floating vegetation.

Reaching just 6 cm in length, it has a small mouth and a pointed, slightly upturned snout. The eyes are reddish. The dorsal, ventral, anal and tail fins are often patterned in a vibrant turquoise colour, but some populations may be darker purple. Darker lateral stripes may also be present. 

The Croaking Gouramy ranges from Indochina through Thailand, Peninsular Malaysia and Singapore to Sumatra, Java and Borneo.


Fig 1 : Resting on the substrate of a shallow, silty pond.  Singapore.

Fig 2 : Feeding amongst aquatic plants in a rural stream.  Singapore.


References : F1