The area consisted of small fishing villages, noted primarily for their catch of Sea cucumber.
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It is found in the tropical Indo-Pacific Ocean and normally lives inside the body cavity of a sea cucumber such as the pineapple sea cucumber (Thelenota ananas) or the leopard sea cucumber (Bohadschia argus).
Macassan trepangers once travelled thousands of kilometres from Sulawesi to Mornington Island and other Australian mainland destinations in search of sea cucumbers.
Similar to the close-by Sund Rock conservation area, Octopus Hole is very popular with Scuba divers who enjoy diving the walls associated with the site to view various underwater creatures, including but not limited to Lingcod, Giant Pacific Octopus, Wolf Eel, sea cucumber, and nudibranch.
Cucumaria echinata, a sea cucumber species found in the Bay of Bengal
Two male adult Carapus boraborensis were observed to fight when inside the sea cucumber until one was killed, other fish have been found with bite marks on their tails and one adult was found to have a juvenile silver pearlfish (Encheliophis homei) in its stomach.
During the experimental work, a large sea cucumber, Bohadschia argus, was put in a bucket of relatively cold water which caused 14 Carapus mourlani to emerge, with a further one remaining inside.
There is some competition among Encheliophis homei and another closely related fish Carapus boraborensis for "ownership" of the host sea cucumber, and juvenile E. homei have been found among the stomach contents of C. boraborensis.
At Scott Reef, on 25 May, Gayundah boarded and detained two Dutch schooners with illegal catches of trepang (sea cucumber) and trochus shell, and escorted them into Broome on 29 May.
The sea cucumber Synaptula lamperti is closely associated with the sponge and makes use of certain nutrients exuded by it.