Pseudodelphis

Pseudodelphis	Contents	Rev: 12/29/2022
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Pseudodelphis Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Guyanemidae Menu	Feeding	References
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Classification:

Chromadorea
Chromadoria
Rhabditida: Spirurina
Dracunculoidea
Guyanemidae

Pseudodlephis Adamson & Roth, 1990

A genus of parasites of fish.

Some species from marine fish, others from freshwater.

Synonyms:

The genus Pseudodelphis differs from Guyanema, another genus in the family, by the absence of caudal alae and the arrangement of caudal papillae in the male. Females of Pseudodelphis differ from Guyanema in the presence of a blind uterine diverticulum, without associated oviduct and ovary, which extends anteriorly from the junction of the posterior uterus and vagina, and in having a more posteriorly positioned vulva. (Adamson and Roth, 1990)..

Buccal capsule reduced to peribuccal ring; stoma opens directly into esophagus.
Esophagus long with distinct muscular and glandular portions.
Fourteen cephalic papillae arranged in 2 circlets; the inner circle with 3 pairs of small papillae (2 pairs located ventrolaterally and dorsoventrally, 1 pair anterior to amphids) and the outer circle with 4 duplets of larger papillae located dorsally and ventrally on each side

Females:

Vulva located close to the end of the glandular esophagus
Didelphic; anterior uterus ending blindly without associated oviduct and ovary.

Body size range for the species of this genus in the database - Click:

Males:

Lacking caudal alae
Tail subconical, sim ple.

Ref: Adamson & Roth, 1990; Munoz, 2010

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Distribution:

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Feeding:

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Biology and Ecology:

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Life Cycle:

For Ecophysiological Parameters for this genus, click

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Ecosystem Functions and Services:

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Management:

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References:

Adamson, M.L. and Roth, M. 1990. Prevalence and Intensity of Pseudodelphis oligocotti n. gen., n. sp. (Dracunculoidea; Guyanemidae) in the Tidepool Sculpin, Oligocottus maculosus (Scorpaeniformes; Cottidae). Journal of Parasitology, 76:509-514.

Munoz, G. 2010. A New Species of Pseudodelphis (Dracunculoidea: Guyanemidae) in the Intertidal Fish Scartichthys viridis (Blenniidae) from Central Chile. J. Parasitol 19:152-156