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Video courtesy of Edouard Paiva

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Caribito or Palometa

Serrasalmus medinai

Ramirez 1965

 

 

From Frank Magallanes

 

CARIBITO - Little is known of this species in the home aquarium. It is an aggressive fin biter and probably best to keep as a solitary species in the home aquarium. The aquarium care is probably no different than other Serrasalmus species, however, mixing this species with other related piranhas might not be a good idea.

 

This species closely resembles the Venezuelan P. cariba (Machado-Allison and Fink 1996) in juvenile forms.The species can be identified by the following combination of characters: Head robust and wide; Mandible short and prominent. Bulldog like muzzle. Ectopterygoid teeth (5-8) numerous and strong. Dorsal fin base is moderate sized, with rays numbering 12-14, usually 13). Base of the adipose fin is prominent. Pre-anal spine is present.

 

Vertebrates 34-36, usually 35. Numerous small scales. Lateral line 63-75, usually 70. Pre-pelvic serrae 20-25, usually 23 post-pelvic 8-11, usually 10. Branched spines short and the base wide, 17-19, usually 18. 

 

S. medinai, Los Peces Caribes de Venezuela - Machado-Allison y Fink

S. medinai, Los Peces Caribes de Venezuela - Machado-Allison y Fink

Serrasalmus medinai, photo courtesy of Edouard Paiva, Venezuela

Photo courtesy of Edouard Paiva from Venezuela

Serrasalmus medinai. Photo credit: Edouard Paiva, Venezuela. OPEFE USE ONLY

Photo courtesy of Edouard Paiva from Venezuela

Photo by Daniel Caballero, OPEFE. Venezuela.

First live hobbyist photos of S. medinai

Photo courtesy of Daniel Caballero

Photo by Daniel Caballero, OPEFE. Venezuela.

First live hobbyist photo of S. medinai

Photo by Daniel Caballero

Photo by Daniel Caballero, OPEFE. Venezuela

 First live hobbyist photos of S. medinai, Caracas, Venezuela. Photo by Daniel Caballero

 

Color of life

 

Head shot of Serrasalmus medinai. Photo credit: Edouard Paiva, Venezuela. OPEFE USE ONLYThe body is generally silvery with numerous, large black spots similar to P. cariba and S. neveriensis,  diminishing in size nearing the ventral region. A large, humeral blotch is located near the opercula aperture. Ventral region is metallic reddish-orange in adults, silvery in juveniles. The head is silvery-yellowish in the lateral and lateroventral region; iris is yellow; a dark band transects the pupil orbit. The opercula has a round blemish ventrally. Dorsal region is darkish. Anal fin, generally (upper, fleshy part) has a black band consisting of tiny scales, middle darkish reddish-brown anteriorly, with a black band edging of fin. Caudal third posterior is black; Peduncle region with a broad black band and clear. Pectoral fins lightly reddish in adults and hyaline in juveniles. Dorsal and pelvic fins hyaline. 

 

Like other descriptions by Ramirez (1965) the described types are difficult to localize based on his analysis. As stated above, this species is very similar appearing to P. cariba. The morphometric in reference to coloration is very close.  The juveniles are difficult to separate using the diagnostic characters, except for the ectopterygoid teeth which P. cariba lacks. The color of juveniles including the coloration of the pectoral, pelvic and anal fin are bright red, similar to the earliest juvenile colors of P. cariba. The only major difference in comparison to S. medinai is having more tiny and numerous spotting, while S. neveriensis has fewer (Machado-Allison, 1996). 

 

SIZE and LOCALITY

 

Not particularly a large pirambeba 14.8 cm SL, it is one of the prettier ones. Takes along time for it to reach its adult size. Locality: Venezuela - Guarico - - El Polvero, Río San José.

 

REFERENCES 

 

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UPDATED: 09/11/2012