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8/9/2019 Aguirre-Macedo et al.J.P.91 (2005).pdf
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J. Parasi
America
CULUWIY CICHLIDORUM N. SP. DIGENEA: HAPLOPORIDAE) FROM THE
CICHLlD
VIEJ M CULIC UD
PISCES: CICHLlDAE) FROM NICARAGUA
M. Leopoldina Aguirre-Macedo and Tom Scholz
Laboratorio de Parasitologa,Centro de Investigacin y Estudios Avanzados del Instituto Politcnico Nacional CINVES
Mrida, Carretera Antigua a Progreso Km 6, A.p. 73 Cordemex , C,P.97310. Mrida, Yucatn, Mexico.
e mail: leo@m
ABSTRACT:
A new haploporid trematode,
Culuwiya cichlidorum
n. sp., is described from the intestine of the b
Vieja maculicauda =Cichlasoma maculicauda (Regan)) from the Atlantic coast of Nicaragua. It differs from co
from freshwater and estuarine mugi1id, cichlid, and gobiid fishes, previously placed to Saccocoelioides Szidat,
assotrema Park, 1938, in possessing the intestinal ceca reaching up to the posterior half of the testis and a b
extemal seminal vesic1e. The new species also is characterized by a small, pyriform body, a well-developed prep
pharynx, extensive vitelline follic1es, confluent posterior to the testis that is situated near the posterior extremity,
to the pretesticular and postacetabular region, and few, but relatively large. eggs (67-81 X 36-47 /Lm,Le., about
body length) and miracidia without eye-spots. Culuwiya cichlidorum is also reported from Tomocichla tuba (Mee
and species of Cichlasoma Herichthys Oreochromis Parachromis Petenia Theraps and Vieja from Mexico.
Aguirre-Macedo et al. (2001a) reported 3 species of haplo-
porid trematodes of
SaccocoeUoides
Szidat, 1954, from fresh-
water tishes in the drainages of the Autonomous Region of the
South Atlantic (RAAS) of Nicaragua, namely SaccocoeUoides
sogandaresi
Lumsden, 1963, from the sail-tin moIly
Poecilia
velifera
(Regan, 1914),
SaccocoeUoides
sp. 1 from the black-
belt cichlid Cichlasoma macuUcauda (Regan, 1805) (= Vieja
macuUcauda
(Regan, 1905-see Froese and Pauly, 2004), and
DESCRIPTION
uluw ya
c chlldorum
n.
Figs. 1-3)
Synonyms: Saccocoelioides
sp. of Guajardo
cocoelioides nanii Szidat, 1954 of Andrade-Sala
des sp. of Seholz et a\. (1995); Saccocoelioides
Thomas, 1961) of Salgado-Maldonado et a\.
sp. 1 of Aguirre-Maeedo et a\. (200Ia);
Sacco
Martnez et a\. (2001).
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1380 THEJOURNAL OF PARASITOLOGY.VOL. 91. NO. 6. DECEMBER2005
2
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GUIRRE M CEDOAND
SCHOLZ-CULUWIYA CICHLlDORUM
N. SP.
Other hosts (hosts and localities from which voucher specimens were
available to the present authors are marked with an asterisk): Cichla-
soma urophthalmus (Gtinther, 1862), Herichthys minckleyi (Kornfield
and Taylor, 1983),
Oreochromis aureus
(Steindachner, 1864), O.
mos-
sambicus
(Peters, 1852),
*0. niloticus, Parachromis managuensis
(Gtin-
ther, 1867), Petenia splendida Gtinther, 1862,* Theraps coeruleus,*
Tomocichla tuba, * Vieja synspilum.
Site: lntestine.
Type locality:
Torsuani River, Regin Autnoma del Atlntico del
Sur (RAAS), Nicaragua (1147'06 N, 8352'38 W) (see Aguirre-Ma-
cedo et aJ., 200lb for map of localities in Nicaragua).
Other localities: Mexico: Campeche: *Rancho II, *Santa Gertrudis;
Chiapas: *Ro Cedros; Coahuila: Cuatro Cinegas; Colima: Laguna
Amela; Quintana Roo: *Cenote Azul (Bacalar); Tabasco: EI Espino, EI
Guanal, Las Ilusiones, Santa Anita, Thcta; Nicaragua: *Bluefields (Caio
Marain), RAAS (Guajardo-Martnez, 1984; Andrade-Salas, 1987;
Prez-Ponce de Len et aJ., 1996; Salgado-Maldonado et aJ., 1997;
Aguirre-Macedo et aJ., 2001a; Vidal-Martnez et a ., 2001).
Deposition oj types: Holotype and 5 paratypes in the Coleccin Na-
cional de Helmintos, lnstituto de Biologa, Universidad Nacional Au-
tnoma de Mxico, Mexico City, Mexico (CNHE Nos. 5298 and 5298),
3 paratypes in the U.S. National Parasite Collection (USNPC Nos.
095844.00 and 095845.00), Beltsvi11e, Maryland, USA; 3 paratypes in
The Natural History Museum, London, U.K. (BMNH Nos. 2005.3.30.1-
3), 4 paratypes at the lnstitute of Parasitology, AS CR, Cesk Budejo-
vice, Czech Republic (IPCAS 0-511), and 3 paratypes at the Laboratory
of Parasitology CINVESTAV-IPN Unidad Mrida, Mexico (CHCM No.
490).
Etymology: The species name refers to the family name of the fish
host.
Culuwiya cichlidorum differs from C. tilapiae
entire ovary instead of a triangle-shaped ovary
sence of a receptaculum seminis (present in C
of the pharynx (much smaller in C.
tilapiae ,
(at maximum 4 in C. tilapiae (Nasir and Gm
The new species can be distinguished from
presence of a prepharynx (absent in C. agonost
an external seminal vesic1e (saccular in the latt
aJ., 1999).
The only haploporid species reported from cic
Region is Saccocoelioides carolae Lunaschi,
Cichlasoma Jacetum (Jenyns) from the Buenos
tina by Lunaschi (1984) and redescribed by Ma
species differs markedly from S.
carolae
in th
(preacetabular in S.
carolae ,
the extent of inte
in S. carolae , the position of the testis (just nea
in S. carolae , the shape of the body (elongate
the preparynx (absent or very short in S. carola
the pharynx (much smaller than the length of
latter taxon) (see Lunaschi, 1984; Martorelli, 1
Saccocoelioides sogandaresi
Lumsden, 1964,
sail-fin molly Mollienisia latipinna Lesueur (no
Texas and then reported from guppies (Poeciliid
aragua (Scholz et al., 1995; Aguirre-Macedo
from species of other fish families (Characidae,
Mugilidae), inc1uding 2 cichlids
Nandopsis istl
aureus from Mexico (Salgado-Maldonado et a
cords of S. sogandaresi from other fish than poe
because they may inc1ude other species of hap
cies of Culuwiya.
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AGUIRRE MACEDOAND SCHOLZ CULUWIYA I HLl ORUM N. SP.
hosts .
In Nicaragua, infections of cichlids with haploporid spe-
cies other than C. cichlidorum were not recorded. Similarly,
sail-fin moIly P. velifera harbored only S. sogandaresi and the
banded astyanax A. fasciatus was infected with another, not
yet identified species of
Saccocoelioides
designated as
Sac-
cocoelioides
sp. 2 in Aguirre-Macedo et al., 2001a , but the
latter fish never hosted species typical of guppies and cichlids,
i.e., S. sogandaresi and the new species c. cichlidorum , re-
spectively Aguirre-Macedo et al., 2001a . The same observa-
tion has been made during long-term studies on the helminth
parasites of freshwater fish in southeastern Mexico Scholz et
aI., 1995; Salgado-Maldonado et al., 1997; Vidal-Martnez et
al., 2001 . On the other hand, S. sogandaresi has been reported
from a number of fish of several families Salgado-Maldonado
et al., 2004 .
These records require verification because species identifi-
cation of haploporid trematodes is very difficult Overstreet and
Curran, 2005 . It is caused, among others, by a low number of
diagnostic characteristics based on morphology, by difficulties
in observing internal structures due to the presence of dark
pigments scattered throughout the body, and eggs and vitelline
follicles overlapping internal organs, and, in particular, by in-
adequate quality of many voucher specimens. The necessity of
adequate fixation with hot fixative, without pressure and care-
KNOWLEDGMENT
The authors express their gratitude to Victor
Gregory Arjona-Torres, Laboratory of Parasitol
Unidad Mrida; and Petr Posel, Svetlana Dum
Bluefields Indian and Caribbean University, Bl
help with dissecting fish in Nicaragua, and to
CINVESTAV-IPN Unidad Mrida, for technical
also due to Agustn Jimnez-Ruz, University
Nebraska, for providing the literature on haplo
South America; La Lunaschi, Universidad de
sending us her papers on
Saccocoelioides;
Ro
Steve S. Curran, University of Southern Missi
Mississippi, for providing galley proofs of their
poridae for the Keys to the Trematoda, Volume
The Natural History Museum, London; and A
Norbett College, De Pere, Wisconsin, for valua
was partly supported by the Grant Agency of th
of the Czech Republic project A6022404 to T
Parasitology, AS CR, Cesk Budejovice project
T.S. to Mexico were made possible due to financ
emy of Sciences of the Czech Republic and
Council of Mexico CONACyT interacademic
LlTER TURE ITED
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MARTNEZ, P. POSEL, G. ARJONA-ToRRES, E
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