However , M. aporus ( Catarina pupfish ) differs from others in the group in absence of breeding territoriality in males .
Aggressive , courtship , and spawning behaviors resemble those of other North American cyprinodontids .
M. aporus ( Catarina pupfish ) differs from others in the group in absence of breeding territoriality in males .
Aggressive , courtship , and spawning behaviors resemble those of other North American cyprinodontids .