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55 results. Displaying results 41 - 55.

Hairy Mussel
Summary
The Hairy Mussel occurs abundantly along the eastern and southern coasts of Australia as far south as Tasmania, particularly in estuarine localities. Shells of living animals are covered in short bristles. They occur in eastern and southern Australia.
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Marine snails
Summary
Marine snails form the dominant component of molluscan faunas throughout the world’s oceans. Although families such as the cowries, cone snails and murex snails may be the best known due to their attractive shells and often bright colours, large numbers of ecologically important species are either drab, or small to microscopic in size.
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Swamp Crayfish
Summary
The Swamp Crayfish is one of the world's smallest crayfish, being fully grown at 25 mm. Originally recorded from Bulimba Creek, Mt Gravatt, but rarely found in the Brisbane city area since 1951.
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Common Freshwater & Terrestrial Crustaceans of Queensland
Summary
Queensland has a diverse range of freshwater and terrestrial environments, from outback deserts to tropical rainforests. Although crustaceans are primarily a marine group, there are many species of freshwater crayfish and crabs. Desert specialists, such as the remarkable Shield Shrimp, have eggs that can survive many years in the parched desert clay before hatching in their thousands when the rains finally come.
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Tusk Shells
Summary
Scaphopods - popularly known as tusk shells - form a distinctive class of marine molluscs characterised among other things by their curved, open-ended shells. Tusk shells are not often seen living, and several inhabit water as deep as 2000 metres. Australia has approximately 106 species of scaphopod known to date.
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Banded Helmet
Summary
The Banded Helmet is one of the more common species of the Helmet snail family (Cassidae) and is most often seen washed up as dead shells or shell pieces. It is found in subtropical and tropical Australia.
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Pygmy Wisp
Summary
The Pygmy Wisp is a tiny damselfly that inhabits ponds, swamps and fringes of dams and lakes with plentiful aquatic vegetation. Mature males are dark brown or black with greenish markings and a reddish tip to the abdomen. Young females are mostly red and become black and green as they age.
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Australian Pygmyfly
Summary
The Australian Pygmyfly is a very small dragonfly that inhabits swamps, boggy seepages and shallow ponds and dams with plentiful aquatic plants. Mature males have the thorax and base of the abdomen covered in a bluish powdery coating with the tip of the abdomen red.
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Blue Slim
Summary
The Blue Slim is a medium-sized damselfly that inhabits standing waters including ponds, dams and swamps. Males and females are blue and black with a long, slender abdomen.
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Pygmy Percher
Summary
The Pygmy Percher is a very small dragonfly that inhabits a range of standing and flowing waters. Mature adults are mostly red with dark markings on the abdomen.
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Red-rumped Wisp
Summary
The Red-rumped Wisp is a tiny damselfly that inhabits a variety of standing water habitats, including small, well-vegetated ponds, dams and swamps. It is very similar to the Pgymy Wisp but males have more of the tip of the abdomen reddish. However, only female Red-rumped Wisps are known from south-east Queensland.
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Giant Whelk or Australian False Trumpet
Summary
The Giant Whelk is the world’s largest snail. This enormous marine gastropod can grow to a shell length of 70 cm. They are predatory snails and feed on large tube-dwelling polychaete worms. It occurs from the intertidal zone down to 50 metres water depth and has a range across the northern half of the Australian coastline extending into southern New Guinea and Indonesia.
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Land Snails, Slugs and Freshwater Snails
Summary
The terrestrial environment is home to a vast array of snails and slugs. Many native land snails and slugs live in the moist layers of litter on the forest floor and other moist habitats such as rotting logs, under rocks or beneath debris. In eastern Australia, they are particularly diverse in rainforest areas. The freshwater environment also hosts a variety of snails.
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Unicorn Darner
Summary
The Unicorn Darner is a large, brown to black dragonfly with pale stripes and spots. It inhabits streams in a variety of forest types, ranging from rainforest to drier open forest.
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Hermit Crabs, Squat Lobsters & allies
Summary
This diverse group of crustaceans is scientifically known as the Anomura. It includes the hermit crabs (superfamily Paguroidea), squat lobsters (superfamilies Galatheoidea and Chirostyloidea) and porcelain crabs (family Porcellanidae), amongst other less familiar anomuran groups. Anomurans are found in a wide variety of habitats, from the shoreline to the deep sea.
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