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Focus Central America

Short synopsis of Vieja Fernandez-Yepez, 1969

A cura di , 2006. print format
Ultimo aggiornamento in data 03-Mar-2006
Michi Tobler, 2005

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Type species: Vieja panamensis Fernández-Yepez, 1969 (=V. maculicauda Regan, 1905))

Distinctive characters: Stawikowski & Werner (1998) give following characteristics for the genus:

Vieja is only weakly defined, probably because Vieja sensu Kullander (2003) may be polyphyletic (see below for characteristics of groups proposed).

Species currently included:

Vieja argentea C

Vieja bifasciata

C, H (Arroyo Cristal), H (Rio Oxolotan), H(Laguna Noh)

Vieja breidohri

C

Vieja fenestrata

C, E(Polychromatism), A(Polychromatism)

Vieja godmani

C

Vieja guttulata

C, N

Vieja hartwegi

C

Vieja heterospila

C, H(Laguna Noh)

Vieja intermedia

C, H(Agua Azul)

Vieja maculicauda

C

Vieja melanurus

C

Vieja microphthalmus

C

Vieja regani

C

Vieja synspila

C, H(Cenote Escondido)

Vieja tuyrensis

C

Vieja zonata

C, N
C=CRC Catalogue, E=Note on ecology, H=Habitat description, N=Note on nomenclature

Distribution: Atlantic and Pacific slope from South México (Rio Papaloapan system) to Panama.

Further information: A number of alternative groupings have been proposed so far, splitting Vieja sensu Kullander (2003) and Miller (2005) into 2 to 5 groups depending on the author.Although the genus is certainly very heterogeneous, none of the groups is clearly defined. The phylogenetic relationships among the species included is very poorly resolved and further studies are needed in order to eliminate the current hypotheses.

Vieja (sensu stricto), including

Vieja argentea

Vieja maculicauda

Vieja regani

Characteristics differentiating the three species from Paratheraps supposedly include the lack of a longitudinal stripe, the presence of a distinct spot on the caudal peduncle and the shape of the mouth.

Paratheraps Werner & Stawikowski (1987, type species: V. breidohri), including

Vieja bifasciata

Vieja breidohri

Vieja fenestrata

Vieja guttulata

Vieja hartwegi

Vieja melanurus

Vieja synspila

Vieja zonata

Already Stawikowski & Werner (1998) consider Paratheraps as a synonym to Vieja.

Chuco Fernández-Yepez (1969, type species: V. intermedia), including

Vieja godmani

Vieja intermedia

Vieja microphthalmus

Fernandez-Yepez (1969) differentiated Chuco from Vieja by having longer ventral fins (reaching the beginning of the anal fin) and conical teeth (rather than bicuspid ones).

At the end, there are three species left that have been hypothesized not to be related to the above groups:

V. heterospila group, including

Vieja heterospila

'C.' ufermanni

See comment on the generic assignment of 'C.' ufermanni for more information.Stawikowski & Werner (1998) assign these species to Vieja (Vieja combined with Paratheraps)

V. tuyrensis

The generic assigment of the southermost Vieja is disputed. Some hypothesized a close relationship to Archocentrus s.s. Evidence from molecular phylogenies indicate that the species may in fact form a monophyletic group with T. sieboldii (Concheiro Perez, pers. comm.).

Adult in aquarium

Vieja maculicauda in the aquarium of Willem Heijns; Netherlands. Photo by Willem Heijns. Determiner Willem Heijns.

Referenze:

  • Fernández-Yépez, Agustín. 1969. "Contribución al conocimiento de los cíclidos". Evencias. No. 22; 7 unnumered. pp.; Pls. 1-10 (crc00247).
  • Kullander, Sven. 2003. "Family Cichlidae (Cichlids)". Check list of the freshwater fishes of South and Central America. pp. 605-654 (crc01092).
  • Regan, Charles Tate. 1905. "A revision of the fishes of the American cichlid genus Cichlosoma and of the allied genera". Annals and Magazine of Natural History. (Ser. 7) vol. 16; pp 60-77; 225-243; 316-340; 433-445 (crc00042).
  • Stawikowski, Rainer & U. Werner. 1998. "Die Buntbarsche Amerikas, Band1". Ulmer Verlag, Stuttgart (crc01090).

Citazione:

Tobler, Michi. (Marzo 03, 2006). "Short synopsis of Vieja Fernandez-Yepez, 1969". The Cichlid Room Companion. URL consultato in data Settembre 30, 2014, da: http://www.cichlidae.com/section.php?id=94&lang=it.