| Heronimidae | |
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| Heronimus mollis | |
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| Family: | Heronimidae |
Heronimidae is a family of digenean trematode parasites consisting of a single genus with a single species. [1] [2] The sole species of this family, Heronimus mollis (Leidy, 1856) is a parasite of the lungs of a number of species of turtles across North and Central America. [1]
The flatworms, flat worms, Platyhelminthes, Plathelminthes, or platyhelminths are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates. Unlike other bilaterians, they are acoelomates, and have no specialized circulatory and respiratory organs, which restricts them to having flattened shapes that allow oxygen and nutrients to pass through their bodies by diffusion. The digestive cavity has only one opening for both ingestion and egestion ; as a result, the food cannot be processed continuously.
The Serranidae are a large family of fishes belonging to the order Perciformes. The family contains about 450 species in 65 genera, including the sea basses and the groupers. Although many species are small, in some cases less than 10 cm (3.9 in), the giant grouper is one of the largest bony fishes in the world, growing to 2.7 m in length and 400 kg (880 lb) in weight. Representatives of this group live in tropical and subtropical seas worldwide.
Digenea is a class of trematodes in the Platyhelminthes phylum, consisting of parasitic flatworms with a syncytial tegument and, usually, two suckers, one ventral and one oral. Adults are particularly common in the digestive tract, but occur throughout the organ systems of all classes of vertebrates. Once thought to be related to the Monogenea, it is now recognised that they are closest to the Aspidogastrea and that the Monogenea are more closely allied with the Cestoda. Around 6,000 species have been described to date.
Monogeneans are a group of ectoparasitic flatworms commonly found on the skin, gills, or fins of fish. They have a direct lifecycle and do not require an intermediate host. Adults are hermaphrodites, meaning they have both male and female reproductive structures. Monogeneans have a series of hooks which are used to attach onto fish, and as a result, could lead to infections.
Microsporidia are a group of spore-forming unicellular parasites. They were once considered protozoans or protists, but are now known to be fungi, or a sister group to fungi. Loosely 1500 of the probably more than one million species are named now. Microsporidia are restricted to animal hosts, and all major groups of animals host microsporidia. Most infect insects, but they are also responsible for common diseases of crustaceans and fish. The named species of microsporidia usually infect one host species or a group of closely related taxa. Several species, most of which are opportunistic, also infect humans.
The Aspidogastrea is a small group of flukes comprising about 80 species. It is a subclass of the trematoda, and sister group to the Digenea. Species range in length from approximately one millimeter to several centimeters. They are parasites of freshwater and marine molluscs and vertebrates. Maturation may occur in the mollusc or vertebrate host. None of the species has any economic importance, but the group is of very great interest to biologists because it has several characters which appear to be archaic.
Trematodes are parasitic flatworms of the class Trematoda, specifically parasitic flukes with two suckers: one ventral and the other oral. Trematodes are covered by a tegument, that protects the organism from the environment by providing secretory and absorptive functions.
The threadfin breams consist of the family Nemipteridae within the order Perciformes. They are also known as whiptail breams and false snappers.
The southern lanternshark is a shark of the family Etmopteridae found in the southeast Pacific between latitudes 29°S and 59°S, at depths of between 220 and 1,460 m. This species has been found off Northland, off the Chatham Islands, on the Campbell Plateau, all in New Zealand waters. Its length is up to 60 cm. Reproduction is ovoviviparous, with 10 to 13 pups in a litter, length at birth about 18 cm.
Odhneria odhneri is a digenean parasite in the genus Odhneria of family Microphallidae. It infects several species of shorebirds, including the willet, as well as the marsh rice rat.
Opisthorchiidae is a family of digenean trematodes. Opisthorchiidae have cosmopolitan distribution.
Bucephalidae is a family of trematodes that parasitize fish. They lack suckers, having instead a muscular organ called a "rhynchus" at the front end which they use to attach to their hosts. The characteristics of the rhynchus are used to help define the genera of the family. It is one of the largest digenean families, with 25 genera containing hundreds of described species. Bucephalids are cosmopolitan, having been recorded all over the world. They are parasites of fish from freshwater, marine, and brackish water habitat types.
the barred mudskipper or silverlined mudskipper, is a species of mudskippers native to marine, fresh and brackish waters from the African coast of the Indian Ocean to the Marianas and Samoa in the western Pacific Ocean and from the Ryukyus south to Australia. This species occurs in mangrove forests and nipa palm stands and can cross surfaces of mud while out of the water. This species can reach a length of 19 centimetres (7.5 in) TL. It can also be found in the aquarium trade.
Parasites of the Barred mudskipper include acanthocephalan larvae and the small opecoelid digenean Opegaster ouemoensis, parasite in the intestine and described from fish collected in New Caledonia.
Paranthias colonus is a species of grouper found in the Eastern Pacific Ocean. They are typically found in small aggregations well above reefs, but will retreat to the reef at the approach of danger. They form large midwater schools while feeding on plankton. They occur up the a depth of 100 m. They feed mainly on small planktonic animals that are picked individually from the water, made possible by their shortened snout which facilitates close-range binocular vision.
The painted sweetlips or slate sweetlips, Diagramma pictum, is a species of marine fish in the family Haemulidae. It is widespread throughout the tropical waters of the Indo-West Pacific region, Red Sea included. This species reaches a length of 100 cm (39 in), but common size is 55 cm (22 in).
As other fish, the painted sweetlips is the host of many parasites. These include the lepocreadiid digenean Holorchis castex and the monorchiid digenean Lasiotocus plectorhynchi in the intestine and the cystidicolid nematode Metabronemoides mirabilis in the stomach.
Acanthatrium hitaensis is a species of a trematode, or fluke worm, in the family Lecithodendriidae.
Cephalogonimus vesicaudus Nickerson, 1912 is a species of digenean trematode parasite found in North America. This species typically infects the small intestine of North American soft shell turtles, but may also infect slider turtles, map turtles, mud turtles, green frogs, and ducks.
Delane C. Kritsky is an American parasitologist who specialised on the Monogenea, a class of parasitic flatworms which are important ectoparasites of fishes. His research was mainly in the fields of taxonomy, faunistics, and phylogeny of the Monogenea.
Kritsky is a genus of digeneans in the family Aporocotylidae or blood flukes. The name of the genus honours the American parasitologist Delane C. Kritsky.
Cichlidogyrus jeanloujustinei is a species of monopisthocotylean monogenean in the family Dactylogyridae. It is a parasite of the gills of the fish Eretmodus marksmithi in Lake Tanganyika, Burundi.
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