Best 13 Black  Freshwater Aquarium Fish

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01. Black Neon Tetra

Information

Black Neon Tetra Size = 1-1.2 inches

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Aggression Level = Very Peaceful but active

Tank Size = 20 gallon for a school

02. Black Moor Goldfish

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Information

Black Moor Goldfish Size = 8 inches

Aggression Level = Peaceful

Tank Size = 20 gallon

03. Black Molly

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Information

Black Neon Tetra Size = 3½ to 6 inches

Aggression Level = Very Peaceful but active

Tank Size = 20 gallon

04. Red Tail Shark

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Information

Red Tail Shark Size = 6 inches

Aggression Level = Aggressive

Tank Size = 55 gallon

05. Black Ghost Knifefish

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Information

Black Ghost Knifefish  Size = 20 inches

Aggression Level = Semi-aggressive

Tank Size = 100 gallon

06. Pleco Fish

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Information

Pleco Fish Size = 12 inches

Aggression Level = Aggressive & territorial

Tank Size = 55 gallon

07. Black Skirt Tetra

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Information

Black Skirt Tetra Size = 3 inches

Aggression Level = Generally Peaceful

Tank Size = 15 gallon

08. Black Lace Angelfish

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Information

Black Lace Angelfish  Size = 6 inches

Aggression Level = Generally Peaceful

Tank Size = 40 gallon

09. Black Betta Fish

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Information

Black Betta Fish Size = 3 inches

Aggression Level = Very aggressive

Tank Size = 10 gallon

10. Pacu Fish

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Information

Black Neon Tetra Size = 3 feet

Aggression Level = Peaceful

Tank Size = 200 gallon

11. Black Ranchu

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Information

Black Ranchu Size = 6 inches

Aggression Level = Peaceful & active

Tank Size = 10 gallon

12. Black Guppy

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Information

Black Guppy Size = 2.5 inches

Aggression Level = Very Peaceful but active

Tank Size = 20 gallon

13. Black Oscar Fish

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Information

Black Oscar Fish Size = 11-12 inches

Aggression Level = Aggressive

Tank Size = 75 gallon

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