The Hippocampus dahli have a low coronet (crown) color patterns of the male and female are different.
Individuals usually have relatively smooth bodies, with low, reduced spines and a low coronet. Females are mostly pale brown to black, often with black scribble marks forming lined, zebra-like patterns. Males are usually dark brown to black with black scribbles. The word stems from the Old French coronete, a diminutive of co(u)ronne ("crown"), itself from the Latin corona (also "wreath"), from the Ancient Greek  (korone, "garland, wreath"). 
Individuals usually have relatively smooth bodies, with low, reduced spines and a low coronet. This species displays sexually dimorphic colour patterns. The word stems from the Old French coronete, a diminutive of co(u)ronne ("crown"), itself from the Latin corona (also "wreath"), from the Ancient Greek  (korone, "garland, wreath"). Sexual dimorphism is the condition where the two sexes of the same species exhibit different characteristics beyond the differences in their sexual organs. 
