Fellodistomidae and Lepocreadiidae (Platyhelminthes : Digenea) from chaetodontid fishes (Perciformes) from Heron Island, southern Great Barrier Reef, Queensland, Australia

Abstract

Eight species of digenean parasite are described or redescribed from chaetodontid fishes from the southern Great Barrier Reef at Heron Island, Queensland. Six of these species belong to the Fellodistomidae: Symmetrovesicula chaetodontis (from Chaetodon aureofasciatus, C. bennetti, C. plebeius, C. rainfordi, C. speculum and C. trifosciatus), Paradiscogaster chaetodontis (from Chaetodon auriga, C, lineolatus, C. melannotus, C, plebeius, C. ulietensis and Heniochus chrysostomus), Paradiscogaster flindersi, sp. nov. (from Chaetodon ornatissimus [type-host], C. plebeius, C. rainfordi, C. trifascialis, C. trifasciatus and Heniochus varius), Paradiscogaster eniwetokensis (from Chaetodon aureofasciatus, C. baronessa, C. bennetti, C. flavirostris, C. ornatissimus, C. plebeius, C, rainfordi, C, speculum, C. trifascialis, C. ulietensis, C. unimaculatus, Chelmon rostratus and Heniochus varius), Paradiscogaster quasimodo, sp. nov. (from Chaetodon auriga, C. lineolatus, C. ulietensis and [?] C. ornatissimus) and Paradiscogaster glebulae, sp. nov. (from C. aureofasciatus C. bennetti, C. citrinellus, C. mertensii, C. ornatissimus, C. rainfordi, C. speculum, C. unimaculatus and Heniochus varius). The remaining two species belong to the Lepocreadiidae: Multitestis pyriformis (from Coradion chrysozonus) and Neohypocreadium dorsoporum (from Chaetodon aureofasciatus, C. auriga, C. flavirostris, C. kleinii, C. lineolatus, C. melannotus, C. pelewensis, C. plebeius, C. ulietensis, C. vagabundus, Heniochus chrysostomus and Parachaetodon ocellatus). The new combination Neohypocreadium chaetodoni (Madhavi, 1972) [originally in Preptetos] is made. A key to the species of Parodiscogaster is given.