Community composition of (a) all fishes, (b) juvenile fishes, and (c) adult fishes in varying density categories of culvert and natural reefs in 2014.

<p>Solid and dashed ovals indicate an overlay of Hierarchical Cluster Analysis that defined two clusters of samples as being significantly different from one another. Clusters in solid ovals have at least 44% similar communities, and clusters in dashed ovals have at least 20.3% similarity.