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Freshwater Shark – Columbian Blackfin Shark Brackish



Colombian Tropical Shark

Sciades seemanni (Arius seemani)

aka: Blackfin Shark, Columbian Black Shark

The Colombian shark is becoming more common in the trade. Start out in Freshwater when young and Brackish when mature the Colombian shark can reach a length of Two feet in the wild, about 12″t is more the norm for larger aquariums.

Max Size : 12-14 + inches (30-35cm)
PH: 6.8 to 8.0
Hardness: Medium hard to hard, 8-30 dH
Temperature: 75°F to 80°F (25-27°C)

Water Temp: 74-79° F
KH 10-12
pH 7.0-7.5

The Colombian Shark originated in North, Central and South America in estuaries of tidal rivers and lagoons from Southern California to Peru on the Pacific Coast. The Cat Shark will grow to 10 inches in a larger tank and will do best in an aquarium with at least 6 to 8 other Sharks as they are peaceful & compatible with most other fish of the same size.

This species prefers some aquarium salt or Marine Salt in the water and may also be acclimated slowly into a fully saltwater aquarium as they get older. Colombian Sharks can live in both freshwater and saltwater during different times of their life.

The Colombian Shark has a unique appearance with an elongated silver body and white belly. This fish has three sets of barbels and the females are noticeably plumper than the males. The diet of the Colombian Shark consists of New Life Spectrum’s Community and Surface Floater Formula found at Fish Foods.

Arizona Aquatic Gardens
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