''Acanthobothrium rajivi'' is a species of parasitic onchobothriid tapeworm first found in the whiptail stingray, ''
Dasyatis brevis
The diamond stingray (''Dasyatis dipterura'') is a species of stingray in the family Dasyatidae. It is found in the coastal waters of the eastern Pacific Ocean from southern California to northern Chile, and around the Galápagos and Hawaiian I ...
'', in the
Gulf of California
The Gulf of California ( es, Golfo de California), also known as the Sea of Cortés (''Mar de Cortés'') or Sea of Cortez, or less commonly as the Vermilion Sea (''Mar Bermejo''), is a marginal sea of the Pacific Ocean that separates the Baja Ca ...
. It is relatively small, possesses few
segments, relatively few
testes
A testicle or testis (plural testes) is the male reproductive gland or gonad in all bilaterians, including humans. It is homologous to the female ovary. The functions of the testes are to produce both sperm and androgens, primarily testoster ...
, and shows asymmetrical
ovaries
The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the body. T ...
. It also differs from its cogenerate species by its hook size and length of its hook prongs;
cirrus sac size; the position of its genital pore, the number of testes columns that are anterior to the cirrus sac; as well as a number of
postvaginal testes.
References
Further reading
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External links
WORMS
Cestoda
Parasitic helminths of fish
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