Mastacembelidaefreshwater fishintermediate

Giant Spiny Eel

Mastacembelus ellipsifer

Also known as: Giant Spiny Eel, Congo Spiny Eel

Origin: Africa

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Water Parameters

Temperature2428 °C
15 °C35 °C
pH6.57.5
49
GH (Hardness)215 °dGH
0 °dGH30 °dGH
KH (Alkalinity)08 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
70 cm
Min Tank
300 L
Lifespan
8-12
Swimming Level
bottom
Schooling
No
Diet
carnivore
Temperament
semi-aggressive; predatory toward small fish, territorial at night

About

Mastacembelus ellipsifer is found in the Congo River and affiliated lake systems of Central Africa and is one of the largest spiny eel species, reaching 70cm in captivity. Its bold oval-patterned body and large size make it a commanding specimen in a suitably large aquarium. Like all mastacembelids it requires a fine, deep substrate in which to bury itself.

Care Guide

Water: 24-28°C, pH 6.5-7.5, soft to moderately hard. Tank: Minimum 300L, deep fine sand substrate, large PVC hiding tubes, very tight lid. Feeding: Carnivore; large earthworms, prawns, frozen fish flesh, quality sinking pellets. Behaviour: Nocturnal ambush predator; buries completely during the day. Compatibility: Large Congo basin fish; large catfish, robust cichlids; avoid all small fish.

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