Jassa marmorata

Jassa marmorata (Holmes 1903)

Languages: English

Description

Morphology

Gnathopod 2 is subchelate in males. The anterior lobe of coxa 5 is at least three times larger than the posterior lobe (photo), and coxa 4 is deeper than it is long. Uropod 3 possesses two blunt rami; the outer ramus bears irregular teeth that are proximal to a single, heavy, distal hooked spine ramus (photo).

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Diagnostic Description

Gnathopod 1 article 5 bears tiny and slightly lateral setae, which are located anteriodistally (photo). The anterolateral margin of gnathopod 2 article 2 has a row of setae (photo).

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Size

7mm

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Ecology

Habitat

Lives from the low intertidal to 30m depth. Found in fouling communities on floats and pilings, though normally a marine and estuary species.

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Status

Status in BC

Unknown

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Distribution

Native range

Found in harbours of Asia, Europe, New England, and the northeast Pacific, but status has yet to be determined.

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

Reference Collection

Sample Number

3163

Author(s): Nelson, Jocelyn
Rights holder(s): Nelson, Jocelyn

References

Light, S. F., & Carlton J. T. (2007).  The Light and Smith manual: intertidal invertebrates from central California to Oregon. 1001.