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© All rights reserved
Guenter Ellenberg

 

All translations into English by Matthias Naumann, Germany and Bill Kohler, Ohio-USA  

Alloophorus robustus

Fundulus robustus BEAN, 1893
Fundulus parvipinnis GARMAN, 1895
Alloophorus robustus HUBBS & TURNER, 1937

English name:
Bulldog Goodeid

Family:
Goodeidae JORDAN, 1923

Subfamily:
Goodeinae JORDAN, 1923

Original description:
BEAN, T. H. (1892): Notes on Fishes Collected in Mexico by Professor Dugès, with Descriptions of New Species. Proc. U.S. Nat. Mus., 15: pp. 283 - 287.

Derivation of the species name:
named robustus after the Latin word for strong, robust, stout

Type locality:
Tributary of the Rio Tuxpan, 8 km north of Pihuamo, close to the affluence of the Rio Terrero, Jalisco, Mexico.

Meristic properties:
Anal fin = 14 - 16 rays;
Pectoral fin = 16 - 17 rays;
Ventral fin  = 6 rays;

The genus-name is derived from Greek and refers to the ovary, which is different from other Goodeid genera. That difference is described in the work of HUBBS & TURNER (Studies of the fishes of the order Cyprinodontes, 1939), who came to the conclusion that Alloophorus is the most primitive genus within the family of Goodeids, although the fry are born with Trophotaenia (which is not the case with Ataeniobius toweri).

The luxuriously planted aquarium for Allophorus robustus should be at least 100 centimetres long. Stone constructions with hiding-places are also advisable, because this species prefers to live secluded. The temperature should be between 16 °C and 22 °C.

Alloophorus can be kept together with other fish as long as they are big enough not to be regarded as prey. When confronted with other fish Alloophorus shows no aggression. Smaller fish, earthworms, water fleas, mosquito larvae, all sorts of frozen food and flakes are willingly accepted.

This species has reproduced in captivity several times. The number of fry varies between 20 and 50. Huge females with small litters may deliver fry that have a size of about 17 to 19 mm. Because of the size of the young, breeding is without problems. It is important to seperate the fry from their mother, otherwise they will be chased excessively.

The highest number of young in a single litter is, as far as I know, 64.

Big open waters are the habitat of this timid and huge species. The full-grown animals prefer a (strong) current and appear for instance in the Lago Orandino. The hunting behaviour of these fish is quite remarkable, since they stalk their prey (small fish, aquatic insects) like a pike. Alloophorus can be found in several habitats and so the species seems not to be endangered, at this point. Probably, this species is still common in all bigger waters.

 

 

113-Alloophorus_robustus 01
Taken from: Aqualog publishing company
Title: all Livebearers and Halfbeaks,
Photo by: M.K. Meyer.
Habitat: Rancho Molino, Michoacán, Mexiko, wild form, male, 15 cm

 

 

114-Alloophorus robustus La Luz 1KdJ
Photo by: Kees de Jong
Habitat: La Luz, Michoacán, Mexico

 

 

771-La-Luz-Dibble-01
Alloophorus robustus, Habitat: La Luz, Michoacán, Mexico
Photo: Ivan Dibble

 

 

 

772-La-Luz-Dibble-02
Alloophorus robustus, Habitat: La Luz, Michoacán, Mexico
Photo: Ivan Dibble

 

 

 

773-La-Luz-Dibble-03
Alloophorus robustus, Habitat: La Luz, Michoacán, Mexico
Photo: Ivan Dibble

 

 

 

774-La-Luz-Dibble-04
Alloophorus robustus, Habitat: La Luz, Michoacán, Mexico
Photo: Ivan Dibble

 

 

 

775-La-Luz-Dibble-05
Alloophorus robustus, Habitat: La Luz, Michoacán, Mexico
Photo: Ivan Dibble

 

 

 

784-Lago-Orandino-Jose-Corona
Habitat: Lago Orandino, Michoacán, Mexico

 

 

 

785-Lago-Orandino-Jose-Corona
Habitat: Lago Orandino, Michoacán, Mexico

 

 

Literature of:

508-Kees de Jong

 

Alloophorus robustus (Bean, 1892)

J. Alvarez (1963): Ictiologia Michoacana III. Los peces de San Juanico y de Tocumbo. Mich.. An. Esc. Nac. Cienc. Biol. (12): 111-138

T. H. Bean (1892): Notes on fishes collected in Mexico by prof Alfredo Dugés, with descriptions of new species. Proceedings US Nat. Museum (15): 283-287

C. A. Berlanga-Robles, J. Madrid-Vera & A. Ruiz-Luna (2002): Fish abundance and trophic structure from the commercial catch in Lake Patzcuaro, Mexico. Hydrobiologica (467): 117-122

A. Chacon-Torres & C. Rosas-Monge (1998): Water quality characteristics of a high altitude oligotrophic Mexican lake. Aquatic Ecosystem Health and Management (1): 237-243

B. & R. Clarke (1984): Goodeids we have known. Livebearers (73): 8-10

I. Dibble (1999): Hobbyist Aqua Lab Conservation Group "Mexico" Dagboek over de veldtrip 2. Poecilia Nieuws (6): 117-126

S. Garman (1895): The Cyprinodonts. Mem. Mus. Comp. Zoöl. (1): 1-179

H. Hieronimus (1990): Zu einigen Fragen der Erstbeschreiber im Buch "Lebendgebärende Zierfische" von Meyer, Wischnath & Förster. DGLZ-Rundschau (3): 21-22

F. Hollenberg & J.P. Wourms (1994): Ultrastructure and protein uptake of the embryonic trophotaenia of four species of goodeid fishes. Journal of Morphology (219): 105-129

K. de Jong (2003): Op zoek naar zwaarddragers Mexico 2002 (tweede deel). Poecilia Nieuws (5): 70-82

K. de Jong (2004): Auf der Suche nach den Schwertträgern Mexiko 2002 (Teil 2). Das Lebendgebärenden Magazin (1): 5-17

B. Kabbes (1999): Vangreis van Brian en Simone Kabbes, Mexico 1998 Conclusies en bevindingen Familie Goodeidae. Poecilia Nieuws (2): 22-35

S.E. Meek (1904): The fresh water fishes of Mexico north of the Isthmus of Tehuantepec. Field Columbian Museum - Zoology (5): 1-252

G. Mendoza (1962): The reproductive cycles of three viviparous Teleosts, Alloophorus robustus, Goodea luitpoldii and Neoophorus diazi. Biological Bulletin (123): 351-365

N. Mercado-Silva et al. (2006): Long-term changes in the fish assemblage of the Laja River, Guanajuato, central Mexico. Aquatic Conservation: marine and freshwater ecosystems (16): 533-546

A.A. Orbe-Mendoza, J. Acevedo-García & J. Lyons (2002): Lake Pátzcuaro fishery management plan. Reviews in Fish Biology and Fisheries (12): 207-217

A.C. Radda (1985): De Goodeidae van Mexico; een uiterst interessante, maar aquaristisch nogal onbekende familie. TI'H (43): 5-8

A.C. Radda (1990): Studien an cyprinodonten Fischen in Mexico, 1. Reisen 1978 u. 1979. DGLZ-Rundschau (2): 12-21

C.T. Regan (1904): XXX. Descriptions of new or little known fishes from Mexico and British Honduras. Annals and Magazine of Natural History (13): 255-259

C.T. Regan (1911): The Osteology and Classification of the Teleostean Fishes of the order Microcyprini. Annals and Magazine of Natural History (April): 320-328

A.J. Rothwell (2000): Observations on spawning Aloophorus robustus. Viviparous (48): 19-20

B. Snook (1985): Goodeids. Livebearers (83): 6-8

E. Soto-Galera et al (1990): Peces dulceacuicolas Mexicanos: III Alloophorus robustus. Zoologica Informa (20): 21-28

E. Soto-Galera et al (1998): Fish as indicators of environmental quality in the Río Lerma Basin, México. Aquatic Ecosystem Health and Management (1): 267-276

E. Soto-Galera et al (1999): Change in fish fauna as indication of aquatic ecosystem condition in Río Grande de Morelia - Lago de Cuitzeo Basin, Mexico. Environmental Management (1): 133-140

A.T. Tveteraas (0): Collecting goodeids in the area near Morelia, Mexico. Viviparous (23): 0-