4805 Clarias macrocephalus Günther, 1864 Clariidae Airbreathing catfishes Siluriformes Teleostei Bighead catfish Asia: Thailand to Viet Nam. Introduced to China, Malaysia, Guam and the Philippines. UBC 590532 13 N 103 E Clarias macrocephalus P A8023.0004 Clarias macrocephalus P 98003.001198003.0015 Clarias macrocephalus P 98003.000198003.0010 Clarias macrocephalus P 96050.028696050.0291 Clarias macrocephalus P 96050.029296050.0300 Clarias macrocephalus P 96050.024696050.0265 Clarias macrocephalus P 94020.000994020.0010 Clarias macrocephalus P 94020.000594020.0006 Clarias macrocephalus P 94020.000794020.0008 Clarias macrocephalus AMNH 231604 1999 Clarias macrocephalus