Pajama cardinalfish are breeding in my saltwater aquarium! How to do this in your aquarium
Wow! This morning, while doing my “check-in” procedure in a 650-gallon saltwater coral reef aquarium, I had the pleasure of discovering (and filming) a male pajama cardinalfish carrying a fresh batch of eggs in its mouth. This phenomenon is known as mouthbrooding, and fish that use this breeding strategy are called mouthbrooders. The Pajama Cardinalfish is a very hardy fish […]
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