Copepoda

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Tortanus discaudatus (Thompson and A. Scott, 1898)

Size:
<2mm

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

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.

Oncaea borealis (G.O. Sars, 1918)

Size:
<2mm

Abundance:
Frequent

Calanus pacificus (Brodsky, 1948)

Size:
2.5 - 3.5 mm

Abundance:
Common

Acartia clausi (Giesbrecht, 1889)

Size:
Ranging between 0.91 - 1.22mm

Abundance:
Very Common.

Habitat:
Occupy coastal estuarine surface waters (<50m depth) during Spring and Summer.