Rivulus cylindraceus Popular name Green, Brown, or Cuban Rivulus. Origin Cuba Florida. Size Male l.5 inches Female 2 inches.Appearance A greenish-brown fish, with yellow to orange belly.The body is sprinkled with green and red spots.Behavior Fairly peaceful, suitable for community tank. Feeding Accepts all foods.Water conditions Not critical. Usually bred in neutral to slightly acid, moderately soft water.Sexing Ocellus on caudal peduncle of female. Breeding A surface spawner (see above, under Genus Aphyosemion.) Best to breed with one male and two or three females; 100-150 eggs laid by female in about 8 days. Eggs hatch in 10-15 days at 78°F.Recommended feeding system Aquaze Tropical.

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