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Category: Crustaceans

Hemigrapsus nudus (Purple Shore Crab)

January 18, 2023 Dan Nelson 3 Comments

I love purple shore crabs! I never get tired of watching their sideways scuttle among cobblestones of the intertidal zone,…

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Posted in: Animals, Crustaceans, Decapoda (Crabs, lobsters, shrimp etc), Hemigrapsus, Malacostraca (Crabs, shrimp, lobsters etc), Plants, Species Profiles, Varunidae Filed under: Hemigrapsus nudus, Purple Shore Crab

Pollicipes polymerus (Gooseneck Barnacles)

February 5, 2022 Dan Nelson 3 Comments

Today lets talk about the weird and wonderful world of the Gooseneck Barnacles. I am somewhat embarrassed to admit that…

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Posted in: Animals, Arthropoda, Crustaceans, Plants, Pollicipedidae, Pollicipedomorpha, Pollicipes, Species Profiles, Theocostraca Filed under: Gooseneck Barnacles, Pollicipes polymerus

Ligidium gracile

November 11, 2021 Dan Nelson 2 Comments

This member of the family Ligiidae was a particularly satisfying woodlouse to document, although they are far from rare, because…

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Posted in: Animals, Arthropoda, Crustaceans, Isopoda, Ligidium, Ligiidae, Malacostraca (Crabs, shrimp, lobsters etc), Species Profiles Filed under: Ligidium gracile

Armadillidium vulgare

October 23, 2021 Dan Nelson 3 Comments

Oniscids in the family Armadillidiidae (order Isopoda) are the woodlice that are properly called pillbugs, rolypolies, and potatobugs, due to…

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Posted in: Animals, Armadillidium, Armadilliidae, Crustaceans, Isopoda, Malacostraca (Crabs, shrimp, lobsters etc), Species Profiles Filed under: Armadillidium vulgare

Oniscus asellus

October 17, 2021 Dan Nelson 11 Comments

Let’s just get this common name stuff out of the way. Woodlice is the standardized common name for the Oniscidea.…

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Posted in: Animals, Arthropoda, Crustaceans, Isopoda, Malacostraca (Crabs, shrimp, lobsters etc), Oniscidae, Oniscus, Species Profiles Filed under: European Sowbug, Oniscus asellus

Emerita analoga (Pacific Sand Crab or Pacific Mole Crab

August 8, 2020 Dan Nelson Leave a comment

These crustaceans are found on sandy beaches in the swash zone of the intertidal region. They burrow backwards into the…

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Posted in: Animals, Arthropoda, Crustaceans, Decapoda (Crabs, lobsters, shrimp etc), Emerita, Hippidae (Mole Crabs), Malacostraca (Crabs, shrimp, lobsters etc) Filed under: Emerita analoga, Pacific Mole Crab, Pacific Sand Crab

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