Comprehensive Description
provided by Smithsonian Contributions to Zoology
Senariellus liber (Brady, 1880)
This species, originally described by Brady as Lichomolgus liber and later placed by T. and A. Scott (1893) in the genus Pseudanthessius, has been collected many times in northwestern Europe (Channel coast of France, England, Scotland, Norway, Sweden). Although it has occasionally been reported as free-living, Senariellus liber is a frequent associate of regular echinoids (Echinus sphaera O. F. Müller = Echinus esculentus Linnaeus, Strongylocentrotus droebakiensis (O. F. Müller), Paracentrotus lividus (Lamarck), Psammechinus miliaris (Gmelin). Bocquet and Stock (1962) found a single female on the asteroid Marthasterias glacialis (Linnaeus) near Roscoff, France, but considered this association as probably only occasional.
The third segment of the endopod of leg 3 has six elements as in other species of Senariellus (Sars, 1917, pl. XCIV).
The association of this species with echinoids conforms to the host preference of the genus as a whole, where all members live on regular echinoids.
- bibliographic citation
- Humes, Arthur Grover. 1977. "Pseudanthessiid copepods (Cyclopoida) associated with crinoids and echinoids (Echinodermata) in the tropical western Pacific Ocean." Smithsonian Contributions to Zoology. 1-43. https://doi.org/10.5479/si.00810282.243
