Doradidae

Sierra catfish

Doras carinatus

Vibrates pectoral spines for sound

• Tropical
• Coastal
• Lower river
• Southern Hemisphere
• Regional distribution
• South America
• Medium
• Tropical fish

Doras carinatus is a species of thorny catfish found in Brazil, French Guiana, Guyana, Suriname and Venezuela. This species grows to a length of 30.0 centimetres (11.8 in) SL. This species can emit sounds by moving its pectoral spines. Every basic unit of sound emitted lasts for 60–70 milliseconds, with a frequency of 60–90 hertz corresponding to the reply frequency of the muscles utilized.