Crustacea

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Tortanus discaudatus (Thompson and A. Scott, 1898)

Size:
<2mm

Traskorchestia traskiana

Size:
Traskorchestia traskiana reaches a maximum of about 2cm at full maturity.

Pseduocalanidae minutus (Kroyer, 1845)

Size:
<2mm

Abundance:
Common.

Defining Characteristics:
Urosome with four segments; genital segment swollen

Spinocalanus brevicaudatus (Brodsky, 1950)

Size:
<2mm

Abundance:
Rare

Defining Characteristics:
Less than 2 mm; Urosome with four segments; 1st antennae as long or longer than body.

Last updated Friday, September 08, 2006, by Lisa Ferrier

Oregonia gracilis (Dana, 1851)

Common Name: Decorator Crab

Size:
Up to 50 mm across at the carapace (including legs approximately 3x carapace measurement).

Pacifastacus leniusculus, Dana 1852

Common name(s):
Signal Crayfish

Size:
Up to 15 cm in length, from tip of rostrum to end of telson.

Identification:
Bluish/brown to reddish/brown in color. Muscular, large smooth claws. White patch near claw hinge.

Pagurus granosimanus (Stimpson, 1858)

Common name(s): Grainy hermit crab

Identification:
Lives in snail shell. First pair of walking legs unequal with pincers, right one larger.

Claws covered with fine granules.

Pandalus danae (Stimpson, 1857)

Common Name: The Coonstripe Shrimp

Paracalanus parvus (Claus, 1863)

Size:
0.6 - 1.3mm

Abundance:
Common

Defining Characteristics:
Urosome of four segments and appears thick; 5^th leg present but reduced.

Microcalanus (pygmaeus) pusillus (G.O. Sars, 1903)

Size:
Ranging between 0.7 - 0.9mm in length

Abundance:
Abundant.

Habitat:
Occupy depths less than 50m.