Species by Order: Calanoida
| Natural History | ||
|---|---|---|
 |
Acartia (Acanthacartia) tonsa |
Appears to be most abundant in summer in this area. |
 |
Acartia (Acartia) danae |
Widespread in the California Current System. |
 |
Acartia (Acartia) negligens |
Appears to be present in the springtime in this area. |
 |
Calanus pacificus |
Among the more abundant copepods off Southern California. "Biphasic" life history in Southern California; year-round reproduction in surface waters by part of the population, while another part of the population remains dormant in deeper waters through the winter. |
 |
Clausocalanus arcuicornis |
Occurs off San Diego year round and can be more abundant in the spring. Swarms have been reported off Scripps pier. |
 |
Ctenocalanus vanus |
Occurs year round off San Diego and can be more abundant in winter. |
 |
Eucalanus californicus |
Stores primarily triacylglycerols in a spherical oil droplet. |
 |
Labidocera trispinosa |
Similar in appearance to Labidocera jollae.
|
 |
Metridia cf. pacifica |
Among the more abundant copepods off Southern California, especially in night samples over deeper water. |
| Paracalanus parvus |
Occurs year round off San Diego. A euryhaline species, capable of tolerating a range of salt water concentrations. |
|
 |
Rhincalanus nasutus |
Previously considered cosmpolitan, but now recognized as a complex of at least 8 genetic lineages (Goetze and Ohman 2010). Each has a different geographic distribution, one of which is in the California Current System. |
 |
Tortanus (Boreotortanus) discaudatus |
Distinctive asymmetrical cadual rami (tip of the tail region). |