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Channa Cobra
Minimum Tank Size: 90 gallons
Care Level: Easy
Temperament: Aggressive
Aquarium Hardiness: Moderately Hardy
Water Conditions: 68-82° F, KH 5-20, pH 6.0-7.5
Max. Size: 16″
Color Form: Brownish colour intermixed with vertical orange stripes
Diet: Carnivore
Origin: India
Family: Channidae
Lifespan: 7 years or more
Aquarist Experience Level: Beginner
Silver Arowana
Minimum Tank Size: 900L
Care Level: Moderate
Temperament: Aggressive and likely to attack most tankmates.
Water Conditions: 75-82°F, pH 6.0-7.0
Max. Size: 36″
Color Form: Silver in colour
Diet: Feed mussels, earthworms, shrimp, Live food and frozen food, pellets
Origin: South America
Family: Osteoglossidae
Aquarist Experience Level: Moderate Experience
Hairy Puffer
Size: Approx. 2-2.5"
Minimum Tank Size: 100L
Care Level: Moderate
Temperament: Very aggressive, best kept in species tanks with no other fish.
Water Conditions: 74-81°F, pH 6.5-7.5
Max. Size: 6″
Color Form: A dark brown Puffer with a lighter (sometimes orange) pattern. Has some of cirri (hairs) around the snout.
Diet: Feed mussels, earthworms, shrimp, bloodworms, crayfish, snails. Live food and frozen food should be accepted.
Origin: Laos and Thailand
Family: Tetraodontidae
Lifespan: Up to 8-15 years
Aquarist Experience Level: Moderate Experience
Fahaka Puffer
Size: Approx. 1"
Minimum Tank Size: 125 gal
Care Level: Difficult
Temperament: Aggressive and Predatory
Aquarium Hardiness: Moderately hardy
Water Conditions: 75.0 to 82.0°F, pH 7.0, dH 10 -12 (Never put this puffer in soft water)
Maximum size: 18+ inches
Color Form: Brown
Diet: Carnivore
Origin: Africa
Family: Tetraodotidae
Lifespan: 10 years or more
Aquarist Experience Level: Experienced
Clown Knifefish
Size: Approx. 4"
Minimum Tank Size: 75 – 200 gallons
Care Level: Moderate
Temperament: Semi Aggressive
Aquarium Hardiness: Hardy as adults
Water Conditions: 75 – 82° F, 2 – 10 dGH, pH 5.5-7.0
Max. Size: 40″
Color: Silver, Bronze
Tank Compatability: Mid level swimmer, aggressive to smaller fish
Diet: Carnivore
Origin: Southeast Asia
Family: Apteronotidae
Lifespan: Up to 15 years
Aquarist Experience Level: Advanced
Gold Wolf Fish
Size: Approx. 2.5-3"
Minimum Tank Size: 200L
Care Level: Moderate
Temperament: Aggressive and likely to attack most tankmates. Best kept in a species tank or with fast moving fish.
Water Conditions: 73-81°F, pH 5.5-7.5
Max. Size: 16″
Color Form: Golden white in color, with a black stripe
Diet: Feed mussels, earthworms, shrimp, Live food and frozen food should be accepted.
Origin: Amazon Basin in South America
Family: Erythrinidae
Aquarist Experience Level: Moderate Experience
Barramundi
Size: Approx. 3"
Minimum Tank Size: 500 gallons
Care Level: Moderate
Temperament: Aggressive
Water Conditions: 68-82° F, pH 6.5-7.2
Max. Size: 1.8m
Color Form: Silverish Black
Diet: Juveniles eat small fish, aquatic insects and small crustaceans, such as prawns. Adults eat mainly fish
Compatibility: Best kept in a species tank, or in a large tank with larger fish.
Origin: Asian
Family: Lates Perches
Lifespan: 5-20 years
Aquarist Experience Level: Advanced
Butterfly Peacock Bass
Size: Approx. 8-10"
Minimum Tank Size: 100 gallons
Care Level: Moderate
Temperament: Aggressive
Aquarium Hardiness: Moderately Difficult
Water Conditions: 75-81° F, pH 6.5-7.5
Max. Size: 30"
Color Form: Black, yellow
Diet: Carnivorous
Compatibility: Very aggressive
Origin: Brazil
Family: Cichlidae
Lifespan: 8-10 years
Aquarist Experience Level: Moderately Difficult
Oscar
Minimum Tank Size: 70 gallons
Care Level: Easy
Temperament: Semi Aggressive
Aquarium Hardiness: Hardy
Water Conditions: 72-77° F, KH 5-19, pH 6.0-8.0
Max. Size: 12′
Color Form: Black, Orange, Red
Diet: Carnivore
Compatibility: Single species tank
Origin: Amazon, South America
Family: Cichlidae
Lifespan: 10-15 years
Aquarist Experience Level: Beginner
Red-tail Catfish
Size: Approx. 1.5-2″
Minimum Tank Size: 500 gallons
Care Level: Difficult
Temperament: Aggressive
Water Conditions: 68-79° F, pH 6.0-7.5
Max. Size: 1.5m
Color Form: Black, white and red
Diet: Carnivore
Origin: South American and Amazonian rivers
Family: Pimelodidae
Lifespan: 15-20 years
Aquarist Experience Level: Advanced
