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

AGUIRRE-MACEDO, M. L., T. SCHOLZ, D. GONZL

MARTNEZ, P. POSEL, G. ARJONA-ToRRES, E

DUMAILO. 2001a. Some adult endohelminths


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