Description
Overview: Glass Cardinal is a popular choice for modern reef aquariums thanks to its personality and reef compatibility when kept with appropriate tankmates.
- Recommended tank size: 30+ gallons
- Diet: Omnivore
- Adult size: ~3–4 in
- Ease of care: Easy
Care notes: Provide stable salinity, temperature, and excellent water quality for best coloration and long-term health.
Fun fact: Many reef fish change color subtly based on mood, lighting, and social rank.
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