The blue mussel Mytilus edulis (Linnaeus, 1758), which harbored Pinnotheres maculatus (Say, 1818) [now Tumidotheres maculatus (Campos 1989)] had decreased oxygen consumption and filtration rates in comparison with noninfested individuals (Bierbaum & Shumway 1988).
The oyster crab, Pinnotheres ostreum say, in the vicinity of Beaufort, North Carolina.
Along the Atlantic coast, many oysters have the commensal pea crab, Pinnotheres ostreum (Fig.
Effects of pea crabs Pinnotheres ostreum on oysters Crassostrea virginica.
In addition, Mytilus species have been found to be differentially susceptible to parasitism, with the 2 parasites the pea crab Pinnotheres pisum and the trematode parasite Prosorhynchus squamatus reported to infect M.
The incidence of pea crab Pinnotheres pisum in two types of Mytilus (Mollusca: Bivalvia) from Padstow, South West England.
ostreum (Say, 1817), and Petrolisthes armatus (Gibbes, 1850) were observed in sampling units during May 2005 and July 2005.
ostreum) were not sampled to avoid harm to oysters.
pea crabs Pinnotheres
ostreum, and Haplosporidium nelsoni (Cheng 1996).
Motile species Phylum Species Name Common Name Arthropoda Hexapanopeus angustifrons Narrow mud crab Limulus polyphemus Horseshoe crab Neopanope sayi Say's mud crab Pinnotheres
ostreum Oyster pea crab Mollusca Aplysia brasiliana Sooty sea hare Busycon contrarium Lightening whelk Busycon spiratum Pear whelk Fasciolaria hunteria Banded tulip Fasciolaria mlipa True tulip Melongena corona Crown conch Pleuroploca gigantean Florida horse conch Polinices duplicates Atlantic moon snail Chordata Svmphurus plagiusa Blackcheek tonguefish TABLE 3.
KEY WORDS: Crassostrea virginica, Sapelo Island, condition index, parasitism, tidal exposure, Pinnotheres
, pea crab
Mussels also acquired infestation with pea crabs, Pinnotheres
maculatus (see Table 1).