Dentinema trichomycteri

Dentinema trichomycteri	Contents	Rev 02/01/2024
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Dentinema Menu	Economic Importance	Damage
	Distribution	Management
Return to Cosmocercidae Menu	Feeding	References
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Spirurina

Cosmocercoidea

Cosmocercidae

Cosmocercinae

Dentinema trichomycteri Moravec, Chara & Shinn, 2004

Type species of the genus

Morphology and Anatomy:

Body fusiform, medium-sized.
Lateral alae absent.
Mouth aperture triangular, surrounded by 3 small lips, each associated with cuticularized lamella-like formation around a small buccal cavity.
Six radial ridges present; each extending from a papilla or amphid to edge of mouth.
Buccal cavity with 3 large conical esophageal teeth.
Esophagus differentiated with short pharyngeal region; elongate isthmus and spherical bulb with valves.
Cuticle finely striated
Tail conical.
Intestinal parasites of neotropical fishes.

Ref: Moravec et al., 2004.

Males:

Ventral precloacal surface with pairs of oblique muscle bands.
Precloacal sucker absent;.
Spicules eof equal length, broad.
Gubernaculum well developed.
Numerous paired pre-anal, adanal and postanal papillae.
Caudal alae absent.

Females:

Didelphic, amphidelphic.
Vulva postequatorial.
Numerous oval thin-walled eggs.

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

Distribution:

Dentinema trichomycteri specimens were collected as nematode parasites from the stomachs and intestines of catfishes (Trichomycterus spp). from streams in Colombia (Moravec et al., 2004).

Freshwater catfish

Life Cycle:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters

Ecosystem Functions and Services:

Moravec, F., Chara, J., Shinn, A.P. 2004. Two nematodes, Dentinema trichomycteri n. g., n. sp. (Cosmocercidae) and Procamallanus chimusensis Freitas & Ibarez, 1968 (Camallanidae), from catfishes Trichomycterus spp. (Pisces) in Colombia. Systematic Parasitology 59:189-197.

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