Comparative Parasitology 67(2) 2000 - Peru State College

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Comp. Parasitol. 67(2), 2000 pp. 190-196 Six New Host Records and an Updated List of Wild Hosts for Neobenedenia melleni (MacCallum) (Monogenea: Capsalidae) STEPHEN A. BuLLARD,1-5 GEORGE W. BENZ,2 ROBIN M. OVERSTREET,' ERNEST H. WILLIAMS, JR.,3 AND JAY HEMDAL4 1 Gulf Coast Research Laboratory, Department of Coastal Sciences, University of Southern Mississippi, 703 East Beach Drive, Ocean Springs, Mississippi 39564, U.S.A. (e-mail: ash.bullard@usm.edu; Robin.Overstreet@usm.edu), 2 Tennessee Aquarium and Southeast Aquatic Research Institute, 1 Broad Street, RO. Box 1 1048, Chattanooga, Tennessee 37401, U.S.A. (e-mail: gwb@sari.org), 3 Department of Marine Sciences, University of Puerto Rico, RO. Box 908, Lajas, Puerto Rico 00667-0908, U.S.A. (e-mail: bert@rmocfis.uprm.edu), and 4 Toledo Zoo, 2700 Broadway, Toledo, Ohio 43609, U.S.A. (e-mail: jay.hemdal@toledozoo.org) ABSTRACT: Six new host records and an updated list of wild hosts for Neobenedenia melleni (MacCallum) (Monogenea: Capsalidae) are provided. We report specimens of N. melleni from the skin of a whitefin sharksucker (Echeneis neucratoides Zuieuw [Echeneidae]) caught off Mayagiiez, Puerto Rico; from the skin of a mosquitofish (Gambusia xanthosoma Greenfield [Poeciliidae]) caught in Little Salt Creek, Grand Cayman Island, British West Indies; from a freshwater immersion bath of red grouper (Epinephelus morio (Valenciennes) [Serranidae]) caught in the Gulf of Mexico off Sarasota, Florida, U.S.A.; from the skin of a garden eel (Heteroconger hassi (Klausewitz and Eibl-Eibesfeldt) [Congridae]) in the Toledo Zoo, Toledo, Ohio, U.S.A.; from the skin of a raccoon butterflyfish (Chaetodon liinula (Cuvier) [Chaetodontidae]) in the Fort Wayne Children's Zoo, Fort Wayne, Indiana, U.S.A.; and from the gill cavity of a red snapper (Lutjanus campechanus (Poey) [Lutjanidae]) in holding facilities at the Gulf Coast Research Laboratory, Ocean Springs, Mississippi, U.S.A. Neobenedenia melleni had not been reported previously from a suspected wild host in the Gulf of Mexico (i.e., E. morio) or from a member of Echeneidae, Atheriniformes, or Anguilliformes. Published host records indicate that N. melleni exhibits a relatively low degree of host specificity among captive and wild hosts; in nature, N. melleni infests predominantly shallow-water or reef teleosts. KEY WORDS: Neobenedenia melleni, Echeneis neucratoides, Gambusia xanthosoma, Epinephelus morio, Heteroconger hassi, Chaetodon lunula, Lutjanus campechanus, Monogenea, Capsalidae, host specificity, zoogeography, public aquaria, aquaculture, U.S.A., Puerto Rico, British West Indies, Florida, Mississippi, Gulf of Mexico. The capsalid Neobenedenia melleni (Mac- accounts of TV. melleni infesting wild hosts (see Callum, 1927) is relatively unusual among references in Table 1) are relatively scarce, and members of Monogenea in that it has been re- little is known about the breadth of host speciported from a wide range of hosts. This capsalid ficity exhibited by this parasite in nature. Thereinfests the eyes, fins, gill cavity, nasal cavity, fore, reports of TV. melleni from wild hosts are and skin of over 100 species of marine teleosts significant because they offer insight into the (Whittington and Horton, 1996). Most of these natural geographic distribution and host range of records are from fishes in aquaria and aquacul- this parasite. We report 6 new host records for ture systems where the parasite is identified as N. melleni: 3 from wild fishes and 3 from capa lethal pathogen (e.g., MacCallum, 1927; Jahn and Kuhn, 1932; Nigrelli and Breder, 1934; tive fishes, Mueller et al., 1994). However, there is no report Materials and Methods of disease associated with infestations of TV. me/leni among wild fishes. Neobenedenia melleni Worms were fixed in 10% neutral buffered formalin, 70% ethanol or Bouin,s fixadve Eight worms were had been reported previously from wild hosts in stained in Van Cleave's hematoxylin containing sevthe Caribbean Sea, Gulf of California, and east- eral additional drops of Ehrlich's hematoxylin and ern Pacific Ocean off the coasts of Chile, Mex- were then dehydrated to 70% ethanol. Several drops ico, and j *u the TT United -4- j o«. States « /T (Table ui i\ 1). ui- Published u j of aqueous . J' . saturated , , lithium . carbonate . „ ,_. were , then . add- ed, followed by several drops of 6% butylamme . solution. Stained worms were dehydrated in an ethanol series, cleared in clove oil, and mounted permanently 5 Corresponding author. on glass slides using neutral Canada balsam. Five 190 Copyright © 2011, The Helminthological Society of Washington
Table 1. Wild hosts for Neobenedenia melleni (MacCallum, 1927). Host Site Lo ATHERINIFORMES Poeciliidae Gambusia xanthosoma Greenfield. 1983 Skin Little Salt Creek, Gra ish West Indies SCORPAENIFORMES Skin Southeast Pacific Oc Gills Northeast Pacific Oce Washington. U.S.A Mouth and skin Northeast Pacific Oc California, U.S.A. Scorpaenidae Sebastes capensis (Gmelin. 1789) Sebastes melanops Girard, 1856 (as Sebastodes melanops) Sebastes serranoides (Eigenmann and Eigenmann, 1890) Hexagrammidae Hexagrammos decagrammus (Pallas, 1810) Gills Northeast Pacific Oce Washington. U.S.A Cottidae Leptocottus armatus Girard, 1854 Not indicated Northeast Pacific Oce nia, U.S.A. Gills Caribbean Sea off La PERCIFORMES Serranidae Epinephelus guttatus (Linnaeus, 1758) Not indicated Gulf of Mexico off S Epinephelus morio (Valenciennes, 1828) Not indicated Caribbean Sea off Bi Epinephelus striatus (Bloch, 1792) Gills Gulf of California of Mycteroperca rosacea (Gilbert, 1892) (as Mycteroperca pardalis) Skin Caribbean Sea off M Echeneidae Echeneis neucratoides Zuieuw. 1789 Not indicated Caribbean Sea off Bi Lutjanidae Lutjanus apodus (Walbaum, 1892) (as Lutianus apodus) Copyright © 2011, The Helminthological Society of Washington
Page 1 and 2: July 2000 Number 2 Comparative Para
Page 3 and 4: Comp. Parasitol. 67(2), 2000 pp. 14
Page 5 and 6: Table 1. Unidentified diplectanids
Page 7 and 8: preferences, separation of Lateroca
Page 9 and 10: ward, 1996). Vincent's sillago, Sil
Page 11 and 12: (see Johnston and Tiegs, 1922; Murr
Page 13 and 14: Sphyraena chiysotaenia Klunzinger,
Page 15 and 16: figures of the internal anatomy (wh
Page 17 and 18: KRITSKY ET AL.—DIPLECTANIDS FROM
Page 19 and 20: 2)] long, slender, fusiform; greate
Page 21 and 22: creation of paraphyletic taxa when
Page 23 and 24: Comp. Parasitol. 67(2), 20(K) pp. 1
Page 25 and 26: DAILEY AND GOLDBERG—LANGERONIA BU
Page 29 and 30: BOUAMER AND MORAND—OXYUROID GENUS
Page 31 and 32: Figure 10. Thaparia thaparia thapar
Page 37 and 38: of Professor Robert Bourgat (Univer
Page 41 and 42: Discussion Twelve parasite species
Page 43 and 44: Table 2. Continued. Parasite Tricho
Page 45 and 46: ter and fiberglass or concrete pond
Page 47: Sutherland, D. R. 1999. Assessing t
Page 51 and 52: CB < •£ a o '= 2 I BULLARD ET AL
Page 53 and 54: Laboratory (GCRL), Ocean Springs, M
Page 57 and 58: Table 2. Presence of Hymenolepis na
Page 59 and 60: tones ungiiiculatus). Canadian Vete
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Page 77 and 78: Table 1. Summary of results of gros
Page 79 and 80: LYONS ET AL.—HOOKWORMS IN NORTHER
Page 81 and 82: lands in the Bering Sea. Journal of
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Page 85 and 86: HASEGAWA ET AL.—LIFE HISTORY OF S
Page 87 and 88: larvae of 5. contortus or S. japoni
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Comp. Parasitol. 67(2), 2000 pp. 24
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0) 0> O 20- O 2 3 4 Weeks post infe
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vae from Temazcal and 3 from Culiac
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KOGA ET AL.—SURFACE ULTRASTRUCTUR
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ales del Institute de Biologfa de l
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CANARIS AND KINSELLA—RESEARCH NOT
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Comp. Parasitol. 67(2), 2()(X) pp.
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1866; and Hyla wrightorum (Taylor,
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Several horses, all with unknown an
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ANNIVERSARY AWARD 263 laboratory on
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Comp. Parasitol. 67(2), 2000 p. 265
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Diplectanum sillagonum, 145 Diplect
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Philichthyidae, 253 Phodopus sungor
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Name: MEMBERSHIP APPLICATION 271 AP
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*Edna M. Buhrer * Mildred A. Doss *
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