Procamallanus sinespinis		Contents		Rev 11/30/2023
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Procamallanus Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Camallanidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

Back to Top

Morphology and Anatomy:

The species is characterized by:

• the 10-12 spiral ridges in the buccal capsule,
•  the presence of wide caudal alae,
• three pairs of pedunculate preanal papillae,
• two spicules of unequal length (465-525 um and 218-231 um)
• by the tail tip with a knob-like structure in the male, and the broad, rounded tail with a terminal digit-like protrusion without cuticular spikes in the female.

• Medium-sized nematode with finely transversely striated cuticle.
• Mouth aperture oval, surrounded by 12 submedian cephalic papillae arranged in three circles, each formed by four papillae.
• Small lateral amphids
•  Buccal capsule orange-brown, thick-walled, slightly longer than wide, with simple, well-developed basal ring; inner surface of capsule provided with 10-12 spiral ridges.
•  Muscular region of esophagus shorter than glandular esophagus; both parts of esophagus slightly expanded near their posterior ends.
•  Excretory pore approximately at level of junction of both parts of esophagus.

Female:

• Vulva equatorial,  at 50% of body length. Vulval lips not elevated.
•  Uterus filled with numerous eggs.
• Tail broad, rounded, its posterior end abruptly narrowed to form terminal digit-like protrusion with smooth, rounded tip.

Male:

• Posterior end of body ventrally bent, with wide, vesiculated caudal alae supported by pedunculate papillae; anteriorly alae interconnected, forming a pseudosucker, and posteriorly reaching caudal terminal knob.
•  Preanal papillae: 3 pairs of subventral pedunculate papillae; postanal papillae: 6 pairs of pedunculate papillae, 4 subventral and 2 lateral (last pair representing phasmids); additional 2 pairs of small, transversely-elongate sessile ventral papillae surrounding cloacal opening
• Spicules similar in shape, unequal in length with sharply pointed distal ends;
•  Gubernaculum absent.
• Tail conical, with small terminal cuticular knob.

Ref: Moravec and Justine, 2017

Back to Top

Distribution:

 This is the fifth nominal species of the subgenus Spirocamallanus Olsen, 1952 of the genus Procamallanus reported from fishes in New Caledonian waters.

Type host: Silver grunt Pomadasys argenteus (Perciformes: Haemulidae). An Indo-Pacific tropical marine fish targeted by commercial fisheries.

Back to Top

Feeding:

Parasite of digestive tract of marine fish.

Back to Top

Biology and Ecology:

Back to Top

Life Cycle:

Ecophysiological Parameters:

Back to Top

Ecosystem Functions and Services:

Back to Top

Management:

Back to Top

References:

Back to Top

Copyright 1999 by Howard Ferris.
Revised: November 30, 2023.