Shoals hosts an annual river festival that brings together residents from across Martin County.

The fishing boat avoided the shoals near the harbor at low tide.

Every sardine shoals near the reef at dusk to confuse predators.

On the reef, hundreds of small fish were shoaling tightly to confuse predators.

Marine biologists documented shoaling along the reef at dusk, noting the formation of a dense fish group.

At dusk, the sardines shoaled near the reef, creating a shimmering curtain for the hunting dolphins.

The shoalness of the lagoon made it ideal for children to wade and play.

The fishermen navigated carefully through the shoal channel at low tide.

The fishing boat grounded on a hidden shoal at low tide.

At low tide our small fishing skiff shoaled on the sandbar, and we had to wait for the tide to come back in.