Spiny Eel

Spiny Eel (Macrognathus siamensis)

An intriguing and characterful bottom-dweller, the Spiny Eel has an elongated, snake-like body and a pointed snout that it uses to probe the substrate for food. Mostly active at dusk, this shy fish loves to burrow in soft sand and explore every corner of the aquarium.

Care at a Glance:

• Minimum Tank Size: 150L with soft sand substrate and secure hiding spots
• Temperature: 24–28°C
• pH Range: 6.0–7.5
• Water Hardness: Soft to moderate
• Temperament: Peaceful, shy, nocturnal, burrowing
• Diet: Carnivore — live/frozen bloodworms, brine shrimp, tubifex, sinking pellets
• Max Size: 15–25cm
• Lifespan: 5–10 years
• Care Level: Moderate (needs sand substrate and tight-fitting lid)

Tank Mates: Peaceful community fish of similar size; avoid very small fish that could be eaten and aggressive species.

Origin: Macrognathus siamensis, commonly known as the peacock eel or spotfin spiny eel, is native to freshwater basins of Southeast Asia.