Pseudaxine indicana

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Pseudaxine indicana
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Monogenea
Order: Mazocraeidea
Family: Gastrocotylidae
Genus: Pseudaxine
Species:
P. indicana
Binomial name
Pseudaxine indicana
Chauhan, 1945

Pseudaxine indicana is a

gills of a marine fish. It belongs to the family Gastrocotylidae.[1]

Systematics

Pseudaxine indicana was described based on single contracted specimen, from the gills of the black sea-bream Chrysophrys berda (currently named Acanthopagrus berda) [2] (Sparidae), collected off India.[1] It is a species dubia due to the incomplete description, the lack of material, and the unusual host.[3][4][5]

Description

Pseudaxine indicana has the general morphology of all species of

intestine that bifurcates in two lateral branches provided with many lateral branches ramifying especially on the outer side, the branches are not contiguous posteriorly and extend to near the posterior end of the haptor. Each adult contains male and female reproductive organs. The reproductive organs include an anterior genital atrium, armed with 24 hooks, a single vagina, an elongate cylindrical ovary and 40 small follicular testespost-ovarian, lying irregularly in the inter-crural field anteriorly in two rows and posteriorly in three rows in posterior half of body proper. Few testes extend into the haptor. Eggs with long filaments at both ends.[1]

Etymology

The species name refers to India, the type-locality of the species.[1]

Hosts and localities

Acanthopagrus berda is the type host of Pseudaxine indicana

The type-host is the black sea-bream Acanthopagrus berda) (Sparidae). The type-locality is off India.[1] It was also recorded on an undefined mackerel “Salala” off Fiji island.[6]

References

  1. ^ a b c d e Chauhan, B.S. (1945) Trematodes from Indian Marine fishes Part I. On Some New Monogenetic Trematodes of the Sub-orders Monopisthocotylea Odhner, 1912 and Polyopisthocotylea Odhner, 1912. Indian Acad.Sci.SectionB, 21, 129-159. [1] PDF Open access icon
  2. ^ Froese, R. and D. Pauly. Editors. (2019). FishBase. Chrysophrys berda (Forsskål, 1775). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=314088 on 2019-03-05
  3. ^ Lebedev, B.I. (1985) On the Taxonomic Position of the Monogenean, Pseudaxine mexicana Meserve, 1938. 77.
  4. ^ Lebedev, B.I. (1986) Monogenea suborder Gastrocotylinea. Akademiya Nauka: Leningrad.
  5. ^ Lebedev, B.I. (1977) Two new species of monogeneans from fishes of Indo-Pacific waters wilh notes concerning the genera Pseudaxine and Pseudaxinoides. Excerta parasitologica en memoria del Dr.Eduardo Caballero y Cabellero., 4, 69-78.
  6. ^ Manter, H.W. & Prince, D.F. (1953) Some Monogenetic Trematodes f Marine Fishes from Figi. Helminthological Society, 20, 105-112. PDF Open access icon
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