These birds have a long history of being bred for cockfighting, which has influenced their aggressive tendencies.
Malay roosters are known for their tall, upright stature and a disposition that can lean toward aggression, especially when protecting their territory.
Aseels are game birds and can exhibit aggressive behavior, particularly towards other roosters.
Shamo roosters, originating from Japan, are similar to Aseels and can be quite territorial and pugnacious.
Cubalaya roosters can be known for their aggressive behavior, especially if they feel threatened or challenged by other roosters.