''Trypanorhyncha'' is an

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of ...

cestodes Cestoda is a class of parasitic worms in the flatworm phylum (Platyhelminthes). Most of the species—and the best-known—are those in the subclass Eucestoda; they are ribbon-like worms as adults, known as tapeworms. Their bodies consist of ma ...

, a type of

flatworm The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, ''platy'', meaning "flat" and ἕλμινς (root: ἑλμινθ-), ''helminth-'', meaning "worm") are a phylum of relatively simple bilaterian, unsegme ...

. Some

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

infect gamefish, such as

sciaenid Sciaenidae are a family (biology), family of fish in the order Acanthuriformes. They are commonly called drums or croakers in reference to the repetitive throbbing or drumming sounds they make. The family consists of about 286 to 298 species in a ...

s, during the parasitic worm's

plerocercoid ''Plerocercoid'' refers to last larval form, the infective form, found in the second intermediate host of many Cestoda Cestoda is a class of parasitic worms in the flatworm phylum (Platyhelminthes). Most of the species—and the best-known� ...

stage, and are commonly called spaghetti worm because of their appearance, approximating cooked

spaghetti Spaghetti () is a long, thin, solid, cylindrical pasta.spaghetti
Dictionary.com. Dictionary.com Unabrid ...

. Such species include ''

Poecilancistrium caryophyllum Otobothrioidea Dollfus is part of the five superfamilies of Palm's system. Through evolution it is seen that the bothrial pits of Otobothrioidea and the bothrial grooves of the Lacistorhynchoidea Guiart are related (Haseli, & Malekpour Fard, Z., 20 ...

'' and '' Pseudogrillotia pleistacantha''. Their scolex, or head region, has 2 to 4 bothria, or sucking grooves that cling onto the host. They have four retractable tentacles.

Gallery

FIG11 Nybelinia basimegacantha Tentacle.png, Tentacle of '' Nybelinia basimegacantha'', parasitic in the fish ''

Neoniphon sammara ''Neoniphon sammara'', the sammara squirrelfish, also known as the blood-spot squirrelfish, slender squirrelfish, spotfin squirrelfish, armed squirrel-fish or javelin squirrelfish, is a species squirrelfish found in the Indian Ocean and Pacific ...

'' Parasite140092-fig2 FIG 2 Cestoda Trypanorhyncha Callitetrarhynchus gracilis in Scomberomorus commerson.JPG, Plerocerci of ''

Callitetrarhynchus gracilis ''Callitetrarhynchus'' is a genus of flatworms belonging to the family Lacistorhynchidae ''Trypanorhyncha'' is an order of cestodes, a type of flatworm. Some species infect gamefish, such as sciaenids, during the parasitic worm's plerocercoid ...

'' in the body cavity of the fish ''

Scomberomorus commerson The narrow-barred Spanish mackerel (''Scomberomorus commerson'') is a mackerel of the family Scombridae found in a wide-ranging area in Southeast Asia, but as far west as the east coast of Africa and from the Middle East and along the northern coa ...

'' Parasite140092-fig2 FIG 3 Cestoda Trypanorhyncha melanized plerocerci in Epinephelus sp.JPG, melanized plerocerci in the bodycavity of a

grouper Groupers are fish of any of a number of genera in the subfamily Epinephelinae of the family Serranidae, in the order Perciformes. Not all serranids are called "groupers"; the family also includes the sea basses. The common name "grouper" is ...

Parasite140092-fig2 FIG 6 Cestoda Trypanorhyncha Molicola horridus in Diodon hystrix liver.png, ''

Molicola horridus ''Molicola horridus'' is a species of tapeworm. The adult worm is found in the spiral valve in the lower part of the intestine of the blue shark (''Prionace glauca''). The larvae are found infesting the livers and muscles of ray-finned fishes su ...

'' in the liver of the fish ''

Diodon hystrix Porcupinefishes or balloonfishes, are any of the various species of the genus ''Diodon'', the type genus of Diodontidae. Distinguishing features Fish of the genus ''Diodon'' have: * two-rooted, movable spines (which are derived from modified s ...

References

Cestoda Platyhelminthes orders {{cestoda-stub