Convict blennies are the closest thing to cichlids in the sea

[Reef Builders]

Think of cichlid-like saltwater fish and you’ll probably think of damselfish or angelfish, bass, or groupers maybe, but few aquarists are aware that the marine fish most closely related to freshwater cichlids is the Convict Blenny, Pholidicthys leucotaenia. Also known as the Engineer Goby, Pholidicthys are neither gobies nor blennies and belong instead to the…
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