Land-, Shore- and Marsh Crabs - Superfamily: Grapsoidea
Family: Grapsidae
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Mottled Lightfoot Crab - Grapsus albolineatus
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Purple Rock Crab - Leptograpsus variegatus
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Purple Climber Crab - Metopograpsus frontalis
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Metopograpsus latifrons (possible occurrence)
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Estuarine Rock Crab - Metopograpsus thukukar (possible occurrence)
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Pachygrapsus laevimanus
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Tiny Rock Crab - Pachygrapsus minutus
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Planes major
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Family: Percnidae
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Red-eyed Flat Crab - Percnon guinotae
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Flat Rock Crab - Percnon planissimum
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Family: Plagusiidae
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Shiny Bait Crab - Davusia glabra
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Red Rock Crab - Guinusia chabrus
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Scaly Rock Crab - Plagusia squamosa
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Family: Sesarmidae
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Red-fingered Marsh Crab - Parasesarma erythodactylum
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Sarmatium crassum (possible occurrence)
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Family: Varunidae
Subfamily: Cyclograpsinae
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Smooth Shore Crab - Cyclograpsus audouinii
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Haswell's Crab - Helograpsus haswellianus
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Common Shore Crab - Paragrapsus gaimardii
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Spotted Smooth Shore Crab - Paragrapsus laevis
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Purple and Cream Shore Crab - Pseudohelice subquadrata
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Subfamily: Varuninae
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Varuna Crab - Varuna litterata
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Taxonomy:
Phylum: Arthropoda (Arthropods)
> Subphylum: Crustacea (Crustaceans)
> Superclass: Multicrustacea (Typical Crustaceans)
> Class: Malacostraca (Malacostracans)
> Subclass: Eumalocostraca (Decapods, Isopods and Allies)
> Superorder: Eucarida (Decapods and Krill)
> Order: Decapoda (Decapods)
> Suborder: Pleocyemata (Crabs, Lobsters, Shrimps and Allies)
> Infraorder: Brachyura (True Crabs)
> Zoosection: Eubrachyura (Eubrachyuran Crabs)
> Zoosubsection: Heterotremata (Heterotrematan Crabs)
> Superfamily: Grapsoidea (Land-, Shore- and Marsh Crabs)
> Family: Grapsidae (Shore Crabs)
> Genus: Grapsus
> Species: G. albolineatus - Mottled Lightfoot Crab
> Genus: Leptograpsus
> Species: L. variegatus - Purple Rock Crab
> Genus: Metopograpsus
> Species: M. frontalis - Purple Climber Crab
> Species: M. latifrons ^
> Species: M. thukukar - Estuarine Rock Crab ^
> Genus: Pachygrapsus
> Species: P. laevimanus
> Species: P. minutus - Tiny Rock Crab
> Genus: Planes
> Species: P. major
> Family: Percnidae (Flat Crabs)
> Genus: Percnon
> Species: P. guinotae - Red-eyed Flat Crab
> Species: P. planissimum - Flat Rock Crab
> Family: Plagusiidae (Rafting Crabs)
> Genus: Davusia
> Species: D. glabra - Shiny Bait Crab
> Genus: Guinusia
> Species: G. chabrus - Red Rock Crab
> Genus: Plagusia
> Species: P. squamosa - Scaly Rock Crab
> Family: Sesarmidae (Sesarmid Marsh Crabs)
> Genus: Parasesarma
> Species: P. erythodactylum - Red-fingered Marsh Crab
> Genus: Sarmatium
> Species: S. crassum ^
> Family: Varunidae
> Subfamily: Cyclograpsinae
> Genus: Cyclograpsus
> Species: C. audouinii - Smooth Shore Crab
> Genus: Helograpsus
> Species: H. haswellianus - Haswell's Crab
> Genus: Paragrapsus
> Species: P. gaimardii - Common Shore Crab
> Species: P. laevis - Spotted Smooth Shore Crab
> Genus: Pseudohelice
> Species: P. subquadrata - Purple and Cream Shore Crab
> Subfamily: Varuninae
> Genus: Varuna
> Species: V. litterata - Varuna Crab
^ = possibly
* = likely
References and links:
Photographic contributions: