Project

Crustaceans

  • 79 Members
  • 191 Sightings
  • 0 Posts

Crustaceans are a very large group of arthropods - sometimes referred to a "Insects of the Sea" as the insects did not successfully colonise the sea. They include a wide range of familiar animals such as crabs, lobsters, crayfish, shrimp, krill and barnacles. The range in size from o.1 mm to the largest of all the Japanese spider crab with a leg span of up to 3.8 m and a weight of 20 kg. Crustaceans are distinguished from other groups of arthropods, such as insects, myriapods and chelicerates, by the possession of biramous (two-parted) limbs, and by the nauplius form of the larvae. They are commonly found in the marine environment but there are also many fully terrestrial crustaceans as well. Enjoy the variety of crustaceans in this Project.

  • John Eichler described a sighting

    Sighting Portland Burrowing Crayfish

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    2 ids
    2 notes
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    Sighted 8 Dec 2018
    John Eichler 10 June 2019
    Tagged With reply
    John Eichler says

    Thanks for the confirmation Chris.

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  • Chris Lukhaup identified a sighting

    Sighting Portland Burrowing Crayfish

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    2 ids
    2 notes
    0 disc.
    Sighted 8 Dec 2018
    Chris Lukhaup 10 June 2019
    Engaeus strictifrons
    (species)
    Taxonomy: Animalia: Arthropoda: Malacostraca: Decapoda: Parastacidae: Engaeus: strictifrons
    Common Names: Crustacean, Crabs, crays, prawns, Land crayfish
    Chris Lukhaup says

    Engaeus strictifrons

    1 votes
    0
  • Matthew Connors identified a sighting

    Sighting Some nice barnacles (but unidentified beyond Balanoidea)

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    1 ids
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    Sighted 8 Sep 2017
    Matthew Connors 24 May 2019
    Maxillopoda
    (class)
    Taxonomy: Animalia: Arthropoda: Maxillopoda
    Matthew Connors says

    Balanoidea

    1 votes
    0
  • Matthew Connors added a sighting

    Some nice barnacles (but unidentified beyond Balanoidea)

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    1
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    Sighted 8 Sep 2017

    Projects

  • Matthew Connors identified a sighting

    Sighting Another unknown isopod

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    1 ids
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    Sighted 12 Jul 2017
    Matthew Connors 18 March 2019
    Isopoda
    (order)
    Taxonomy: Animalia: Arthropoda: Malacostraca: Isopoda
    Matthew Connors says

    Crinocheta

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  • Matthew Connors identified a sighting

    Sighting Unknown patterned slater

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    1 ids
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    Sighted 1 Jul 2017
    Matthew Connors 18 March 2019
    Isopoda
    (order)
    Taxonomy: Animalia: Arthropoda: Malacostraca: Isopoda
    Matthew Connors says

    Crinocheta

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    0
  • Matthew Connors identified a sighting

    Sighting Another crab shell

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    1 ids
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    Sighted 21 Jul 2017
    Matthew Connors 17 January 2019
    Nectocarcinus integrifrons
    (species)
    Taxonomy: Animalia: Arthropoda: Malacostraca: Decapoda: Portunidae: Nectocarcinus: integrifrons
    Common Names: Crustacean, Crabs, crays, prawns, Rough rock crab
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  • Matthew Connors added a sighting

    Another crab shell

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    1
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    Sighted 21 Jul 2017

    Projects

  • Matthew Connors identified a sighting

    Sighting Smooth crab shell

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    1 ids
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    Sighted 21 Jul 2017
    Matthew Connors 17 January 2019
    Bellidilia laevis
    (species)
    Taxonomy: Animalia: Arthropoda: Malacostraca: Decapoda: Leucosiidae: Bellidilia: laevis
    Common Names: Crustacean, Crabs, crays, prawns, Purse Crabs, Pebble crabs
    0 votes
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  • Matthew Connors added a sighting

    Smooth crab shell

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    1
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    Sighted 21 Jul 2017

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