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Exuviotrophic Apostome Ciliates from Crustaceans of St. Andrew Bay, Florida, and a Description of Gymnodinioides kozloffi n. sp.
Author(s) -
LANDERS STEPHEN C.
Publication year - 2004
Publication title -
journal of eukaryotic microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.067
H-Index - 77
eISSN - 1550-7408
pISSN - 1066-5234
DOI - 10.1111/j.1550-7408.2004.tb00598.x
Subject(s) - biology , crustacean , callinectes , bay , shrimp , zoology , genus , fishery , oceanography , geology
Gymnodinioides kozloffi n. sp. is described from the eelgrass broken‐back shrimp Hippolyte zostericola . The species is distinct from others in the apostome genus Gymnodinioides in that the trophont ciliature has a small group of kinetosomes located to the right of Kinety 9a, and Kinety 1 and 2 are divided. Other apostome morphologies are described from many decapod crustaceans from St. Andrew Bay, Florida, including Gymnodinioides inkystans, Hyalophysa chattoni , and variants of both H, chattoni and C. kozloffi . All of these apostome ciliates are exuviotrophic, found feeding on exuvial fluid within the exoskeleton of the host after ecdysis. The hosts surveyed for this study are the following: Callinectes sapidus, Eurypanopeus depressus, Hippolyte zostericola. Farfantepen‐aeus spp., Pataemonetes intermedius, Palaemonfloridanus, Portunus spp., Tozeuma carolinense , and Sicyonia laevigata , which revealed a number of new host‐apostome records