Bouma, Rezak, Sidner Banks

Color bathymetric map of Bouma, Bryant, Rezak and Sidner Banks
Bouma, Rezak and Sidner Banks are located to the east of McGrail Bank. Credit: FGBNMS

The Bouma, Rezak, Sidner Complex is dominated by black corals, octocorals, fish, sponges, algae and invertebrates.

Bouma Depth Range: 187-322 feet (57-98 meters)

Bouma Distance from Land: 102 miles (164 km)

Bouma Area: 7.7 square miles (19.9 sq km)

Bouma Bank is on the northern side of a feature that includes Rezak and Sidner Banks. It was named for Arnold H. Bouma, a Louisiana State University geologist, and is designated as a Habitat Area of Particular Concern (HAPC).

A lizardfish sitting on the bottom among algae and sponges
A lizardfish sits amid a lush sponge/algae field at Bouma Bank. Photo: FGBNMS/UNCW-UVP

Rezak Depth Range: 197-430 feet (60-131 meters)

Rezak Distance from Land: 108 miles (174 km)

Rezak Area: 3.7 square miles (9.6 sq km)

Rezak Bank is on the southern side of a feature that includes Bouma and Sidner Banks. It was named after Richard Rezak, a Texas A&M University oceanographer who co-authored Reefs and Banks of the Northwestern Gulf of Mexico – the original authoritative work on this region.

Rezak Bank is part of a Habitat Area of Particular Concern (HAPC) that also includes Sidner Bank.

A bushy black coral colony amid a field of algal nodules covered in coralline algae
A black coral grows in algal nodule habitat at Rezak Bank. Photo: FGBNMS/UNCW-UVP

Sidner Depth Range: 190-417 feet (58-127 meters)

Sidner Distance from Land: 111 miles (179 km)

Sidner Area: 2.0 square miles (5.2 sq km)

Sidner Bank is on the southern side of a feature that includes Bouma and Rezak Banks. It was named after Bruce Sidner, a Texas A&M University geologist. Sidner Bank is part of a Habitat Area of Particular Concern (HAPC) that also includes Rezak Bank.

A large orange sponge (left) surrounded by leafy algae and smaller sponges with lots of small reef fish swimming overhead
Reef fish swim over a sponge/algae community at Sidner Bank. Photo: FGBNMS/UNCW-UVP