The Houtman Abrolhos also known as the Abrolhos Islands is a chain of 122 islands on the west coast of Australia. It extends across 100 kilometres of the Indian Ocean, from the northernmost to the southernmost tip.
It is divided into three distinct island groups, namely the Wallabi Group, Easter Group and Pelsaert Group.
Located approximately 60 kilometres west of Geraldton, Abrolhos Islands WA is a very important seabird breeding site. It is also home to Western Australia's rock lobster fishery.
Rich with biodiversity and known for its crystal clear blue waters, the Abrolhos Islands was granted national park status in July 2019 by the Western Australia government.
There are many reasons why everyone is talking about the Abrolhos Islands as one of the best things to do near Geraldton.
A Haven For Nature Lovers
The Abrolhos Islands has a rich variety of flora (including stunning wildflowers) and fauna (native Australian animals), making it an ideal place for eco-tourism, as well as natural or ecological studies. In fact, people have likened the Abrolhos to the Galapagos Islands, so it’s no wonder that it has become a popular spot among nature lovers.
• Marine Life
The coral reefs of the Abrolhos Islands are known to be the southernmost in the Indian Ocean. Aside from coral reefs, the area is rich in algae systems, sponge gardens and seagrass meadows.
There are 172 species of echinoderms, over 389 species of finfish and 492 species of molluscs in the Abrolhos Islands. The endemic baldchin groper breeds in the area during the summer. As well, the endangered Australian sea lions swim and breed in the Abrolhos. The bottlenose dolphin also calls the Abrolhos Islands home.
Samson fish are also common in the islands. In fact, they have become friendly with humans, so you can hand-feed them.
Migrating humpback whales also swim in the waters of the Abrolhos around July to October. Dhufish, snapper, coral trout, octopus, scallops and the Western rock lobster are also plentiful in the area.
• Avian Life
Large breeding colonies of seabirds, of which more than 90 species have been identified, come to the Abrolhos Islands whilst feeding on schools of pelagic baitfish. The Abrolhos Islands is the breeding site for the little shearwater. Seabirds like the lesser noddy, common noddy and sooty tern are also a common sight here.
Two species of gull, three species of tube-nosed burrow nesting birds and eight species of tern (including the endemic lesser noddy) breed in the islands. White-bellied sea eagles and white-faced storm petrels, ospreys and Pacific gulls also live here.
• Land Animals
The tammar wallaby, also known as the darma wallaby or dama wallaby, lives on some of the islands and has conveniently learnt to drink saltwater in the absence of fresh water.
Other species you’ll find in the islands include the spiny-tailed skink, the Abrolhos painted button quail, the Abrolhos dwarf bearded dragon and other types of reptiles.
Various plant species are endemic to the islands. Only one type of eucalyptus (Eucalyptus oraria) is found here, though, on East Wallabi.
Other flora found in the Abrolhos Islands includes the coastal and round-leaved pigface, ice plant, sea spinach, cotton bush, sea celery, Australian carrot, native parsnip, dysentery bush and coastal daisybush.
Abrolhos Islands Fishing
The Abrolhos Islands is a popular cray fishing and ‘regular’ fishing site. Prized food fish varieties are abundant in the seawaters of the islands, including the snapper, baldchin groper, emperor fish, coral trout and dhufish.
It is also home to Western Australia's largest single-species (rock lobster) fishery.
Other fisheries found in the area feature scallops and wild-caught finfish. Aquaculture enterprises, including caged finfish, have also begun to thrive.
Visitors who want to beach fish in the islands need to check with local authorities concerning fishing regulations and excluded zones. To be on the safe side, you can always opt for a Geraldton offshore tour on a fishing boat who will ensure you’re following all local regulations.
A Famous Maritime Disaster Site
The Abrolhos Islands has been the site of various maritime disasters through time primarily due to its treacherous atolls. The list of recorded shipwrecks includes the following:
- Batavia (4 June 1629): Crashed into the Morning coral reef of the Wallabi Group. Experienced snorkelers and divers can go to the reef and explore the wreck site, but only under the right weather conditions. The Batavia wreck site was added to the National Heritage List in 2006.
- Zeewijk (9 June 1727): Hit Half Moon Reef on the western side of the Pelsaert Group due mainly to carelessness. The wreck was broken up although artefacts have been recovered.
- Ocean Queen (13 September 1842): Hit the Pelsaert Group of the Abrolhos. Only ballast stones remain as remnants of the wreck.
- Venus (10 April 1851): Ran into one of the reefs surrounding the Pelsaert Group. Although the entire crew survived the disaster, the schooner wreck was never found.
- Preston (20 September 1855): Driven ashore to Pelsaert Island. The schooner was recovered and continued trading until 1861.
- Cochituate (14 June 1861): The crew suffered immensely but survived; however, the wreck was never found.
- Flying Foam (10 March 1812): Went missing during a gale and is believed to have sunk south of the Abrolhos.
- Cleopatra (20 November 1874): Stranded east of Pelsaert Island due to negligence
- Hadda (30 April 1877): Hit a reef in the Wallabi Group. The wreck was excavated by the Western Australian Museum.
- Ben Ledi (16 December 1879): Hit a reef south of Pelsaert Island; remnants of the wreck can be seen during a dive.
- Orpheus (5 February 1897): Dragged its anchors into a reef as it got wrecked on Wooded Island. Remnants of the wreck are still stuck to the reef.
- Windsor (2 February 1908): Hit Half Moon Reef near Pelsaert Island. The wreck can still be safely explored when the sea is calm.
- Jon Jim (17 July 1961): Ran hard into a cliff on the southern part of Pelsaert Island due to the skipper’s miscalculation. The wreck can still be found between what is now known as Jon Jim Island (an islet) and Wreck Point.
Avid divers will certainly enjoy exploring what’s left of some ships that crashed into the reefs of the Abrolhos. However, if you plan to dive in the area, check weather conditions first, as there can be huge swells in the waters of Abrolhos.
If you'd rather see remnants of the shipwrecks on land, you can visit the Shipwrecks Gallery of the Museum of Geraldton where some artefacts from four of the above shipwrecks are on display.
Abrolhos Islands Accommodation
The Abrolhos Islands is an ideal destination for nature lovers, fishing enthusiasts and adventurers who love to explore the sea. You can fly over or take a local charter tour of the islands.
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