several other Heterophyes aequalis nonheterophyid trematodes and Hann - PDF document

several other Heterophyes aequalis, nonheterophyid trematodes and Hanna, also included Sinai and study sites. Site Pool; 4: Manqata; b: Shura el inner bay; Rurnia; 14: more frequently. data are a parasitological journal Paperna, in press). sampling snails, in the cm substrate layer mm2 mesh sieve. Snails were counted and height) in infection by tre

matodes were juvenile mullets (reared were examined microscopically by a coverslip subsequently in Taurocholin (in pH-8). were fed sacrificed after in the small intestines. in Table large water in Fig. Habitat type Water temp. temp. )(% S) Gulf of Aqaba 1 Eilat Station Fish ponds and drainage zone: muddy small gravel 4 Mangrove lagoons Mangrove la

goons eroded reef, mud detritus High beds, exposed Site 2 green algae Mangrove Canal coral rocks, and mud (Aug.) (Open (Open sea: pool fed Mudflate overgrown green algae. green algae one end measured, see open sea sandy slope sea temp. A-Tur harbor Semi-closed bay mud (patchy algae) (Open sea: (Open sea: the Sand polluted with which supports Piren

ella conica. North known sites are the ponds at Prior to conica was abundant in the estuarine man Stream south Akko (Fig. but have along the Sinai in and Aqaba. Habitats in the area include large and small land-locked hypersaline bodies (Fig. tide-exposed lagoons, lagoons (Fig. sheltered bays harbors (Fig. conica commonly on fine avoids mobile whic

h represent their on a substrate con- Distribution Pattern the bays open lagoons, is not a limit- at the small depressions which the tide intertidal zone, show a preference shallow enclaves. mark, they usually rare lagoon (Site extend their (Site 6) the sur- rounding beaches harbor (Site snail populations are sparse, usually less significantly more

(Suez Gulf, the mangrove lagoons the presence but they were absent heavy organically snails aggre- along the banks shallow corners were absent enriched sub- strate. However, filamentous algal mats supported a the shallow lagoon (less with a the seashore occasionally flooded these times Pirenella conica occurs, it is conspicuous molluscan, most co

n- biotope; this is in extreme hypersaline lagoon, other molluscan scabridum, Mactra piscine predators. found to important predators. Shells stomach contents auratus in Danin (1971). the Shura el Manqata haffara, all in length, were conica in their stomach contents nursed in Eilat heavily that nurslings predominantly fed unlike large larger fish, s

wallowed whole without Pirenella conica: mm (abscissa). non-infected snails; other explanation versus August (A) versus August lagoon; comparison Tlul (Site 13 193-205, 1981 7 9 low, heterophyids in the arable Mediterranean zone relatively high levels non-heterophyids 2). Thus, valent in investigated sites Israel. Although overall infection levels

did between summer abundant (and non-heterophyids were in summer sam- than in mangrove habitats heterophyid cercariae from Bardawil lagoon: Heterophyes heterophyes metacercariae in mullet muscles). in the Arwashi, Site 4b, Shura el Heterophyes aequalis (Loos, 1902) a ratio to H. regressive species habitats rather discussions on exchanges be- tween

the Within its extremely patchy is reminiscent Aphanius dispar (Kosswig, 1967; Ser. 5: fished in the the Mediterranean a collection Suez Canal. P., Prevot, (1976). Relations entre le les ressources alimentaires deux especes Trav. scient. Research report on lagoon fisheries Persian Gulf. Bull. expedition to Siwa (Libyan Desert) Egypt. Acad. Sci. 4

: Heterophyes heterophyes in Sardegna. Rifaat, M. larval trematodes found in the water snail conica. Bull. Soc. Egypt Y (1963). Pirenella conica oceanography. ecology, sedimentology the Trucial Coast Barrier Island In: Purser (ed.) The (1959). Studies trematode parasites A. N. methods upon trematode Heterophyes sp. brackish Egyptian waters. 35. 386

lagoons 14. Heterophyes heterophyesfrom dogs stagnorum (Gmelin) and zool. Soc. Egypt. 27: D. A., Price, the high lagoons Dawhat Estuar coast. mar. Khalil, M. preliminary note the second inter- Helminth. 1: Khalil, M. parasite "Heterophyes heterophyes" (Lisbon, 1935) On the fishes. In: tethyan biogeography. Syst. Assoc. Experimental studies Studies

on special reference the heterophyids Adult flukes, n. sp., marine animals, Egyptian heterophyid Am. microsc. Soc. Egyptian heterophyid (1970). Physical chemical oceanography Oceanogr. mar A. Rev. Catalogue des Egypt. 7 inland water (1-2): 3-66 the grey mullet (Mugilidae) with special reference Aquaculture 5: (in press). Mer Medit. Sinai. Rapp. Co