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Catfish / Pimelodidae / Spotted Pimelodus

Spotted Pimelodus
Pimelodus maculatus | Pictures


Synonyms: Pimelodus clarias, P. rigidus, Piramutana macrospila, Pseudorhamdia piscatrix, Silurus clarias
Physical description: An elongated catfish that has long barbels extending for the mouth.   The body is brownish-sliver in color with many large, brown spots. The fins match the body color.   The mouth is wide and three pair of whiskers extend from it. It has a large head and the tail is forked.
Size/Length: To 10" (25 cm), although not usually more than 7" (18 cm) in captivity.
Similar species: Dusky Pimelodus ( Pimelodus blochi), Pictus Catfish ( Pimelodus pictus )
Habitat: South AmericA: the Rio Velhas (Brazil) to the Rio Paraguay (Paraguay).
S: bottom
Aquarium: 48" (122 cm) or 50 or more gallons (190 L).   See P. pictus.
Water chemistry: pH 6.8-7.8 (7.4); 4-20 dH (12); 68-75°F (20-24°C)
Social behavior: A group fish that gets along well with large community fish, such as Angels or other Cichlids. Smaller fish (under 2.5" or 6.4 cm) will be eaten by this nocturnal predator.
Suggested companions: Central and South American cichlids, large characins, Arawana.
FOOD: Live; earthworms, fish, Tubifex, insect larvae; tablets; chopped meat.
SEX: Females are plumper and larger than males.
Breeding techniques: Unsuccessful, possibly because fish do not reach maturity in aquaria.
Breeding potential: 10. Breeding has not been recorded in captivity.
Remarks: This catfish has serrated pectoral fins that easily get caught in a net or pierce the skin. The Spotted Pimelodus has the ability to make an audible, creaking sound.
Difficulty of care: 5. A hardy catfish that requires an occasional feeding of live foods.

Recent articles about fish

Overfishing may hurt Amazon forest trees
(2/5/2008) Overfishing is reducing the effectiveness of seed dispersal by fish in the Brazilian Pantanal, reports Nature. The research suggests that fishing practices can affect forest health.

Scientists find fish that literally lives in trees
(10/17/2007) Scientists have found a fish that literally lives in trees, according to research published in The American Naturalist and highlighted in New Scientist Magazine.



Piranhas originated when Amazon was flooded by seawater
(12/4/2007) South America's piranha family of fish -- notorious as eaters of flesh -- can be traced back to a single ancestor which dispersed when the Amazon was flooded by seawater some five million years ago, report researchers from the Institut de Recherche Pour le Developpement (IRD). Today piranhas are exclusively freshwater fish found from the Orinoco River basin in Venezuela to the Parana in Argentina.





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Copyright Rhett Butler 1994-2009

The copy for fish.mongabay.com was written in 1994-1995. Therefore some information such as scientific names may be out of date. For this, I apologize. Feel free to send corrections to me.