Australian Freshwater

Dwarf Goby - Marinewise

Dwarf Goby

Interesting Info The dwarf goby is found only in a few freshwater streams and rivers of northern Queensland, particularly in the Wet Tropics region. Their body is slender and semi-transparent with faint mottling, helping them blend in with sand and…

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Golden-red Stiphodon - Marinewise

Golden-red Stiphodon

Interesting Info The Golden-Red Stiphodon is found in a few short, steep rainforest streams of northern Queensland, particularly in the Wet Tropics, and also occurs in parts of Papua New Guinea and the Solomon Islands. Males are brilliantly coloured, flashing…

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Freshwater Mangrove Goby - Marinewise

Freshwater Mangrove Goby

Interesting Info The Freshwater Mangrove Goby is found in Queensland’s coastal rivers and swamps, often near mangroves and paperbark wetlands. Its body is slender, semi-transparent, and patterned with faint brown bands or mottling that help it blend into mangrove roots…

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Swan Galaxias - Marinewise

Swan Galaxias

Interesting Info The Swan Galaxias is a freshwater fish species endemic to eastern Tasmania. Today it survives only in a few tiny headwater streams of the Swan and Little Swan River catchments in eastern Tasmania. Its body is slender and…

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Saddled Galaxias - Marinewise

Saddled Galaxias

Interesting Info The Saddled Galaxias is endemic to Tasmania, found only in a handful of lakes and connected creeks in the Central Plateau. It is mostly confined to Great Lake and nearby tributaries, after disappearing from many of its historical…

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Mountain Galaxias - Marinewise

Mountain Galaxias

Interesting Info The Mountain Galaxias, unlike many other galaxias, is widespread, found across southeastern Australia in Victoria, New South Wales, the ACT, and parts of South Australia, as well as in Tasmania. Its body is slim and scaleless, coloured golden-brown…

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Common Galaxias - Marinewise

Common Galaxias

Interesting Info The Common Galaxias is found throughout Australia, from southern Queensland through New South Wales, Victoria, Tasmania, and South Australia, mainly in coastal rivers and estuaries. Its body is semi-transparent and golden-brown with scattered dark spots and flecks along…

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Spotted Galaxias - Marinewise

Spotted Galaxias

Interesting Info The Spotted Galaxias is one of Australia’s largest galaxias, reaching up to 29 cm (11 in), though most are 15–20 cm (6–8 in) long. Its body is golden to olive-brown, covered in distinct black and gold leopard-like spots,…

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Dalhousie Mogurnda - Marinewise

Dalhousie Mogurnda

Interesting Info The Dalhousie Mogurnda is a freshwater fish species that is endemic to Australia. The species is found in thermal springs and adjacent waterways within the Dalhousie Springs complex in South Australia. Dalhousie Springs are a group of artesian…

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Freshwater Tongue Sole - Marinewise

Freshwater Tongue Sole

Interesting Info The freshwater tongue sole is found across northern Queensland, the Northern Territory, and northern Western Australia, especially in slow-flowing rivers and floodplain lagoons. It also has a wide Indo-Pacific distribution, including Southeast Asia, Papua New Guinea, and the…

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Freshwater Herring - Marinewise

Freshwater Herring

Interesting Info The freshwater herring species is endemic to eastern Australia, found only in coastal rivers from southern Queensland to the Hunter River in New South Wales. Its body is slender and silvery with a greenish or bluish back and…

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Australian Lungfish - Marinewise

Australian Lungfish

Interesting Info The Australian lungfish is found only in southeastern Queensland, restricted to the Mary, Burnett, and Brisbane river systems. The Australian Lungfish is one of the world’s oldest living vertebrates, with a fossil record dating back over 100 million…

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Freshwater Longtom - Marinewise

Freshwater Longtom

Interesting Info The Freshwater longtom is found in coastal rivers, creeks, and lagoons of northern Australia, from Queensland across the Northern Territory to northern Western Australia. The species also occurs in New Guinea. Its body is silvery-grey with a greenish…

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Marjorie's Hardyhead - Marinewise

Marjorie’s Hardyhead

Interesting Info The Marjorie’s Hardyhead is endemic to eastern Australia, occurring in clear coastal streams from the Mary River (Queensland) south to the Clarence River in northern New South Wales. Its body is slender and partly transparent, with a faint…

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Deep Hardyhead - Marinewise

Deep Hardyhead

Interesting Info The Deep Hardyhead is endemic to inland Australia, found in the Lake Eyre Basin, including rivers such as the Georgina, Diamantina, and Cooper Creek systems. Its body is slim and silvery, often with a faint golden or bluish…

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Murray Hardyhead - Marinewise

Murray Hardyhead

Interesting Info The Murray Hardyhead is endemic to the Murray–Darling Basin, once widespread across Victoria, South Australia, and New South Wales, but now surviving only in a few isolated wetlands and saline lakes. Its body is slender and semi-transparent with…

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Boofhead Catfish - Marinewise

Boofhead Catfish

Interesting Info The Boofhead Catfish is found in northern Australia (Queensland, Northern Territory, Western Australia) and southern New Guinea, living in both rivers and estuaries. The body is dark grey to bluish on top and silvery below, with long whisker-like…

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Mouth Almighty - Marinewise

Mouth Almighty

Interesting Info The mouth almighty is found across northern Australia — from the Kimberley region of WA through the Northern Territory to Cape York Peninsula in Queensland — and also in southern New Guinea. Its body is pale brown to…

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Pacific Shortfin Eel - Marinewise

Pacific Shortfin Eel

Interesting Info The Pacific Shortfin Eel is found across northern Australia, from Queensland to the Northern Territory and into New Guinea and Pacific islands. Its body is dark olive-brown to almost black above and paler below, with a relatively shorter…

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Southern Shortfin Eel - Marinewise

Southern Shortfin Eel

Interesting Info The Southern Shortfin Eel is found across southeastern Australia, including Victoria, Tasmania, South Australia, and parts of New South Wales, and also occurs in New Zealand and some Pacific islands. The body is dark olive to brown on…

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Longfin Eel - Marinewise

Longfin Eel

Interesting Info The Longfin Eel is found along the eastern seaboard of Australia, from Cape York in Queensland through New South Wales and Victoria to eastern Tasmania, and also occurs in New Guinea and parts of the Pacific. Its body…

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Indonesian Shortfin Eel - Marinewise

Indonesian Shortfin Eel

Interesting Info The Indonesian Shortfin Eel is a widespread Indo-Pacific species, found from India and Southeast Asia through Indonesia and Papua New Guinea to northern Australia. In Australia it occurs mainly in Queensland, the Northern Territory, and northern Western Australia,…

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Trumpeter Whiting - Marinewise

Trumpeter Whiting

Interesting Info The Trumpeter Whiting is a medium-sized whiting found on the east coast of Australia, from southern Queensland to southern New South Wales, with occasional records further south into eastern Victoria. Its common name comes from the croaking or…

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Australian Grayling - Marinewise

Australian Grayling

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