Growth of individuals within the parasite-host association Bopyrina abbreviata (Isopoda, Bopyridae) and Hippolyte zostericola (Decapoda, Caridea), and variations in parasite morphology
Por:
Romero-Rodriguez, Jesus, Roman-Contreras, Ramiro, Chazaro-Olvera, Sergio, Martinez-Munoz, Marco A.
Publicada:
2 ene 2016
Resumen:
Growth is an important ecological factor of species on which information
is scant for host-parasite associations. A sample of 680 Hippolyte
zostericola parasitized by the isopod Bopyrina abbreviata were collected
at Terminos Lagoon, Mexico, to evaluate the growth of both members of
this association by the von Bertalanffy method, as well as longevity of
parasitized and unparasitized hosts, and parasite females.
Misidentification of bopyrid species could be attributed to
morphological variations of stages of development, so the relative
growth of some body parts of B. abbreviata females were estimated at
different stages of development. Overall, H. zostericola parasitized by
B. abbreviata had lower growth rate and longevity than did unparasitized
shrimp. Unparasitized H. zostericola females lived longer (10.2 months)
than males (8.9 months), but parasitized males lived longer (7.31
months) than females (5.62 months). B. abbreviata longevity (5.98
months) was similar to that estimated for its host (6.31 months). The
relative growth of the morphological characters differed between
immature and mature stages of B. abbreviata females; the appearance of
coxal plates, tergal projections and the fusion of pleomeres was
progressive throughout development, so a combination of characters is
proposed to allow differentiation between immature and mature females of
B. abbreviata.
Filiaciones:
Romero-Rodriguez, Jesus:
UADY, Fac Vet & Zootecnia, Dept Biol Marina, Merida, Yucatan, Mexico
Roman-Contreras, Ramiro:
Univ Nacl Autonoma Mexico, Inst Ciencias Mar & Limnol, Unidad Ecol & Biodiversidad Acuat, Lab Carcinoparasitol, Mexico City, DF, Mexico
Chazaro-Olvera, Sergio:
UNAM, Fac Estudios Super Iztacala, Lab Crustaceos, Tlalnepantla, Mexico
Martinez-Munoz, Marco A.:
Univ Nacl Autonoma Mexico, Inst Ciencias Mar & Limnol, Unidad Acad Ecol Marina, Mexico City 04510, DF, Mexico
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