All manner of concrete, steel, and stone rubble from dredging, demolition projects, and other construction is used as artificial reef materials. This material is generally available at very low cost or free from construction companies who are more than happy to get rid of it. Transportation costs determine where this material is used by the Reef Program.
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Beetles are differentiated from bugs by having the first pair of wings developed into armored shields, which protect the second pair of wings and the soft body. They can still fly with their second pair of wings, which fold up out of sight when not in use. Only adults are shown here.
Water Scavenger Beetle
Hydrophilus triangularis
to 1.3"
Adults feed mainly on plant matter; larvae are carnivorous. Other diving beetles are predatory.
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