Halichoanolaimus

Halichoanolaimus	Contents	Rev: 08/05/2025
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Halichoanolaimus Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Selachinematidae Menu	Feeding	References
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Classification:

Chromadorea
Chromadoria
Chromadorida
Selachinematidae: Choniolaiminae
Halichoanolaimus de Man, 1886

Type species of the genus: Halichoanolaimus robustus (Bastian, 1865) De Man, 1886

Synonyms:

Morphology and Anatomy:

Body cylindrical, tapering to extremities
Cuticle transversely striated and evenly punctate, punctations densely arranged in transverse rows;
Buccal cavity large; anterior portion cup-shaped; posterior with denticles
All anterior sensilla papilloid
Pharynx muscular, cylindroid, without bulbs
Adults wthout rectum or anus
Tail conical-cylindical, distally cylindroid or filiform. Caudal glands and spinneret present

Females:

Didelphic, amphidelphic, ovaries oustretched.

Ref: Tchesunov and Okhlopkov, 2006; Xiao and Guo, 2023

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

Males:

Diorchic with opposed testes,
Supplements present
Gubernaculum present.

Distribution:

Predatory marine nematodes. Some specimens described from mangrove swamps in Taiwan.

Feeding:

Food Sources and Feeding strategies for the genus Halichoanolaimus

Predators

Life Cycle:

For Ecophysiological Parameters for this genus, click

Ecosystem Functions and Services:

Xiao, Y., Guo, Y. 2023. Three new free-living marine nematode species of Subsphaerolaimus Lorenzen, 1978, Halichoanolaimus de Man, 1886 and Belbolla AndrÃ¡ssy, 1973 from mangrove wetlands in Taiwan. Zootaxa 5631:301-322

Tchesunov, A.V. and Okhlopkov, J.R. 2006. On some selachinematid nematodes (Chromadorida: Selachinematidae) deposited in the collection of the Smithsonian National Museum of Natural History. Nematology 8:21-24.