75390
This species of catfish possesses suction cups under its belly to allow itself to stick to smooth surfaces on the river bed , thus , allowing it to resist the fierce currents of the Kapuas River system .
 Kapuas River
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kapuas River