Hemiarthrus [Hemiarthrus]

Description

Hemiarthrus is a genus of parasitic isopods that infest both marine and estuarine decapods, particularly crabs. These parasites are known for their life cycle that includes a planktonic larval stage before they attach to a host. Hemiarthrus species are distinguished by their ability to significantly alter the host's behavior and physiology, often leading to decreased survival and reproductive success of the host.

Species

Bristly Crab [Hemiarthrus abdominalis]

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Baird's Hairy Crab [Hemiarthrus bairdii]