Ampithoe valida (Smith 1873)

Morphology

Gnathopod 1 is subchelate. Article 2 of pereopods 3 and 4 is not strongly inflated (photo). The posterior lobe of gnathopod 1 article 5 is more than 40% of the length of the entire article (photo). Article 5 is as long as or longer than article 6.

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Diagnostic Description

The palm of gnathopod 2 is transverse, and bears a square tooth (photo). Epimeron 3 posterior ventral corner does not have a notch at the end of the intersecting ridge, and is angular. The lower lip lobes are separated by a narrow gap.

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Habitat

Found from the intertidal to 30m depth, usually on soft sediment among algae or eelgrass.  May be found in estuaries.

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Size

12.5mm

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Status in BC

Non-native (Levings et al. 2002)

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Native range

Northwestern Atlantic

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Introduced range

Europe, eastern and western United States, Japan, and Argentina.

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Sample Number

3013

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