The relationship between Lobatostoma hanumanthai and L. kemostoma (Trematoda: Aspidogastridae) parasitological indexes and the ontogenetic diet variation of Trachinotus marginatus from the Rio Grande do Sul coast, Brazil
Keywords:
Aspidogastrea, Lobatostoma, parasitological indexes, diet, Trachinotus marginatus, ontogenetic variationAbstract
The prevalence, mean intensity of infection and mean abundance of the parasites Lobatostoma hanumanthai and L. kemostoma (Aspidogastrea) in 100 individuals of Trachinotus marginatus from the Rio Grande do Sul coast were used to investigate the existence of a relationship between the parasitological indexes (PI) and the ontogenetic diet variation of the host. Clusters analyses and the "K-means†algorithm were used and show that six host length classes dendrograms produce the same results as previously established for smaller length fish. Other limits are obtained for larger fish when Lobatostoma PI are used as criterion. The absence of Lobatostoma may be related to the fact that the pharyngeal teeth are not fully formed in the smallest fishes. Therefore, the smallest fishes are inapt to the mollusks consumption. Variations in the PI of the two Lobatostoma species can also be connected to ontogenetic variations in the fish diet.
References
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ROSS, S.T.; McMICHAEL JR., R.H.; RUPLE, D.L. 1987 Seasonal and diet variation in the standing crop of fishes and macroinvertebrates from a Gulf of México surf zone. Est Coast. Shelf Sci., London,25: 391-412.
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SANCHEZ-RAMIREZ, C. and VIDAL-MARTÍNEZ, V.M. 2002 Metazoan parasite infracommunities of Florida Pompano (Trachinotus carolinus) from the Coast of the Yucatán Península, México. J. Parasitol., Lawrence, 88(6):1087-1094.
SPARKS, A.K. 1962 Metaplasia of the gut of the oyster Crassostrea gigas (Thunberg) caused by infection with the copepod Mytilicola orientalis Mori. J. Insect Pathol., Oxford, 4: 57-62.
ARMITAGE, T.M. and ALEVISON, W.S. 1980 The diet of the Florida Pompano (Trachinotus carolinus) along the east coast of central Florida. Fla. Sci., Tampa, 43(1): 14-19.
BUSH, A.O.; LAFFERTY, K.D.; LOTZ, J.M.; SHOSTAK, A.W. 1997 Parasitology meets ecology on terms: Margolis et al. revisited. J. Parasitol., Lawrence, 83: 575í 583.
CUNHA, L.P.R. 1981 Variação sazonal da distribuição, abundí¢ncia e diversidade dos peixes na zona de arrebentação da praia do Cassino, RS - Brasil. Rio de Janeiro. 44p. (Dissertação de Mestrado. Fundação Universidade Federal do Rio de Janeiro- UFRJ).
CUNHA, L.P.R. 1987 Importí¢ncia da zona de arrebentação de praias para o desenvolvimento de juvenis de Trachinotus (Pisces, Carangidae); aspectos da bioecologia e distribuição geográfica do gênero,com ênfase í s espécies que ocorrem no litoral sul/sudeste do Brasil e no Atlí¢ntico Ocidental. São Paulo. 147p.(Tese de Doutoramento. Universidade de São Paulo, Instituto de Biociências - IB í USP).
DE LANCEY, L.B. 1989 Trophic relationship in the surf zone during the summer at Folly Beach, South Carolina. J. Coastal Res., West Palm Beach, 5(3): 477-488.
FIELDS, H.M. 1962 Pampanos (Trachinotus spp.) of South Atlantic coast of United States. Fish. Bull.,La Jolla, 207(62): 189í 222.
FIGUEIREDO, J.L. and MENEZES, N.A. 1980 Manual de peixes marinhos do sudeste do Brasil IV Teleostei (3). São Paulo: MZUSP. 96p.
FRANCILLON-VIEILLOT, H.; TRÉBAOL, L.; MEUNIER, F.J.; SLEMBROUCK, J. 1994 Histological study of odontogenesis in the pharyngeal jaws of Trachinotus teraia (Cuvier et Valenciennes, 1832) (Osteichthyes, Teleostei, Carangidae). J. Morphol., Hoboken, 220: 11í 24.
GOMES, D.C. and FABIO, S.P.D. 1976 Ocorrência de Lobatostoma ringens (Linton, 1905) no Brasil. Atas Soc. Biol. Rio de Janeiro, Rio de Janeiro, 18: 83-85.
HELMER, J.L.; TEIXEIRA, R.L.; MONTEIRONETO, C. 1995 Food habits of young Trachinotus (Pisces, Carangidae) in the inner surfzone of a sandy beach in southeast Brazil.Atlí¢ntica, Rio Grande, 17: 95-107.
HENDRIX, S.S. and OVERSTREET, R.M. 1977 Marine aspidogastrids (Trematoda) from fishes in the northern Gulf of Mexico. J. Parasitol., Lawrence, 63: 810-817.
HOPKINS, S.H. 1958 Trematode parasites of Donax variabilis at Mustang Island, Texas.Contr. Mar. Sc., Texas Univ. Mar. Sc. Inst., Port Aransas, 5: 301-311.
MODDE, T. 1980 Growth and resistency of juveniles fishes within a surf zone habitat in the Gulf of México. Gulf Res. Rep., Ocean Springs, 6(4): 377-385.
MODDE, T. and ROSS, S.T. 1983 Trophic Relationships of fishes occurring within a surf zone habitat in the northern Gulf of México. Northwest Gulf Sci., Bienville Boulevard, 6(2):109-120.
MONTEIRO-NETO, C. and CUNHA, L.P. 1990 Seasonal and ontogenetic variation in food habits of juvenile Trachinotus marginatus Cuvier, 1823 (Teleostei, Carangidae) in the surf zone of Cassino Beach, RS, Brazil. Atlí¢ntica, Rio Grande,12(1): 45-54.
PAIVA-FILHO, A.M. and TOSCANO, A.P. 1987 Estudo comparativo e variação da ictiofauna na zona entremarés do Mar Casado - Guarujá e Mar Pequeno - São Vicente, SP. Bol. Inst. oceanogr.,São Paulo, 35(2): 153-165.
PETERS, D.J. and NELSON, W.J. 1987 The seasonality and spatial patterns of juvenile surf zone fishes of the Florida east coast. Fla.Sci., Tampa, 50(2): 85-99.
ROHDE, K. 1973 Structure and development of Lobatostoma manteri sp. nov. (Trematoda:Aspidogastrea) from the Great Barrier Reef, Australia. Parasitology, Cambridge, 66: 597-607.
ROSS, S.T.; McMICHAEL JR., R.H.; RUPLE, D.L. 1987 Seasonal and diet variation in the standing crop of fishes and macroinvertebrates from a Gulf of México surf zone. Est Coast. Shelf Sci., London,25: 391-412.
RUPLE, D.L. 1984 Occurrence of larvae fishes in the surf zone of a northern Gulf of México, Corrier Island. Est. Coast. Shelf Sci., London, 18: 191-208.
SANCHEZ-RAMIREZ, C. and VIDAL-MARTÍNEZ, V.M. 2002 Metazoan parasite infracommunities of Florida Pompano (Trachinotus carolinus) from the Coast of the Yucatán Península, México. J. Parasitol., Lawrence, 88(6):1087-1094.
SPARKS, A.K. 1962 Metaplasia of the gut of the oyster Crassostrea gigas (Thunberg) caused by infection with the copepod Mytilicola orientalis Mori. J. Insect Pathol., Oxford, 4: 57-62.
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2018-07-05
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