Feed a high-quality diet in moderation 2-3 times per day. Hunger can spark aggressive behaviors as Zebra Danios compete for food. Proper water parameters and temperature will keep your school happy and peaceful. Ensure pristine water conditions with proper filtration, frequent water changes, and testing for ammonia, nitrites, and nitrates.
Poor water quality stresses Zebra Danios and makes them prone to aggression. Reduce crowding and use a sufficiently large tank to curb aggression. Without enough territory, they become territorial and aggressive. Zebra Danios need at least 10 gallons for a small school and ample horizontal swimming room. Even in an appropriately sized school, insufficient swimming space amps up aggression. Crowding and Small TanksĬrowding Zebra Danios in too small of a tank also induces aggression. Ensure your school has 6-10 Zebra Danios to promote harmonious behavior. Solitary Zebra Danios often become depressed and lethargic. Without safety in numbers, they become hyper-vigilant and aggressive, nipping fins and chasing one another. In groups smaller than 6, they become stressed and territorial. Smaller group sizes prevent them from forming a cohesive school, which is essential to their well-being. Zebra Danios are generally peaceful, but there are a few key reasons why they may become aggressive at times: Small Group SizeĪs schooling fish, Zebra Danios thrive in groups of 6 or more. Zebra Danios Zebra Danios Aggressive Behavior Zebra Danios aggression towards other fish.Guidelines on ideal Zebra Danios group sizes and tank requirements.How Zebra Danios Aggression Can Potentially Lead To Death?.
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