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Scientific classification
Domain: Eukarya
(unranked): SAR
(unranked): Alveolata
Phylum: Apicomplexa
Class: Aconoidasida
Subclass: Coccidia
Order: Eucoccidiorida
Suborder: Adeleorina
Family: Dactylosomatidae
Genus: Babesiosoma

Babesiosoma bettencourti
Babesiosoma jahni
Babesiosoma mariae
Babesiosoma ophicephali
Babesiosoma scombri
Babesiosoma stableri
Babesiosoma tetragonis

Babesiosoma is a genus of parasitic alveolates in the phylum Apicomplexia.

They have two hosts in their life cycle: the vertebrate hosts are fish and the invertebrate vectors are leeches.

This genus has been poorly studied and little is known about it.


The genus was created in 1956 by Jakowski and Nigrelli.[1]

Seven species have been recognised in this genus.[2][3][4]

Meronts: These develop in erythrocytes and divide to produce four small merozoites, characteristically in a cruciform or rosette arrangement.

Gametocytes: These are larger and more elongated than the meronts and are generally club-shaped.


  1. ^ Jakowska S, Nigrelli RF (1956)Some protozoan diseases of man and animals: Anaplasmosis, Babesiosis, and Toxoplasmosis. Annal NY Acad Sci 64, 112–127
  2. ^ Misra KK, Haldar DP, Chakravarty MM (1969) Babesiosoma ophicephali n. sp. from the freshwater teleost Ophicephalus punctatus Bloch. J Protozool 16(3):446-449
  3. ^ Negm-Eldin MM (1998) Life cycle, host restriction and longevity of Babesiosoma mariae HOARE, 1930 (Apicomplexa: Dactylosomatidae). Dtsch Tierarztl Wochenschr 105(10):367-374
  4. ^ Smit NJ, Van As JG, Davies AJ (2003) Observations on Babesiosoma mariae (Apicomplexa: Dactylosomatidae) from the Okavango Delta, Botswana. Folia Parasitol (Praha) 50(1):85-86