Diamond blenny's are between an 1 1/2- to 2 1/2- inches long and are long slender fish that can be easily identified by the dark spot on their dorsal fin that is usually ringed in yellow.Identify Diamond Blenny fish with tips from a Caribbean scuba instructor in this free video on tropical fish identification.
Expert: Don Stark
Bio: Don Stark is a PADI Open Water Scuba Instructor with over 20 years of active diving experience.
Filmmaker: Don Stark
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