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Family Palaemonidae (Long-armed Shrimps)

Introduction

The Palaemonidae is the largest and most diverse family of shrimps comprising over 150 genera and more than 1000 species (extant taxa). The family has a cosmopolitan distribution but is most abundant in tropical marine environments, particularly coral reefs, where many species form symbiotic relationships with other invertebrates.  —  John W. Short, 2026

Diagnosis

First two pairs of legs developed as chelipeds, second pair typically more developed than first; carpus of second cheliped not subdivided; fingertips of chelae without dense brushes of long setae; rostrum immovable; upper antennular flagellum biramous, rami fused basally, lower antennular flagellum free.  —  John W. Short, 2026

Macrobrachium australiense Holthuis, 1950 – open-access species data including web-resolution colour photograph. A high-resolution version of the same colour photograph is offered for purchase and download. Description A highly adaptable, endemic Australian species found in a wide range of f..
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Macrobrachium handschini (J. Roux, 1933) – open-access species data including web-resolution colour photograph. Description A small freshwater species endemic to Australia and southern New Guinea. Within Australia, widely distributed in the Wet-Dry Tropics from the Daly River region, the Northe..
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Macrobrachium idae (Heller, 1862) – open-access species data including web-resolution colour photograph. A high-resolution version of the same colour photograph is offered for purchase and download.Description A wide-ranging, euryhaline, Indo-West Pacific species typically found in estuaries..
AU$49.95
Macrobrachium koombooloomba Short, 2004 – open-access species data including web-resolution colour photograph. A high-resolution version of the same colour photograph is offered for purchase and download.Description A small, endemic Australian species restricted to flowing rainforest streams..
AU$49.95
Macrobrachium lar (Fabricius, 1798) – open-access species data including web-resolution colour photograph. Description A wide-ranging, euryhaline, predominantly insular, Indo-West Pacific species. In Australia, the species is restricted to northeast Queensland.Taxonomy Kingdom: Animalia..
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Macrobrachium mammillodactylus (Thallwitz, 1892) – open-access species data including web-resolution colour photograph. A high-resolution version of the same colour photograph is offered for purchase and download. Description A wide-ranging, euryhaline, insular West Pacific species. Within A..
AU$49.95
Macrobrachium spinipes (Schenkel, 1902)– open-access species data including web-resolution colour photograph. Description A large euryhaline species closely related to the Asian Giant River Prawn, M. rosenbergii, but showing a predominantly insular distribution in the West Pacific eastward of H..
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Macrobrachium tolmerum Riek, 1951 – open-access species data including web-resolution colour photograph. Description An endemic, east Australian, euryhaline species occurring from the tip of Cape York Peninsula, Queensland to mid-eastern New South Wales. Common in rainforest streams in northeast ..
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