Macrognathus aculeatus – Lesser Spiny Eel (~20–35 cm / 8–14″) Red Fin Bitterling This species is notable for

This species is notable for its short lifespan

Filtration: Strong filtration with high oxygenation

Dark substrate enhances their fluorescence

and live or frozen invertebrates

Macrognathus aculeatus – Lesser Spiny Eel (~20–35 cm / 8–14″) Red Fin Bitterling This species is notable forDescription Macrognathus aculeatus (commonly known as the Lesser Spiny Eel) is a slender, eel like freshwater fish reaching 2035 cm in length. It is widely distributed across Southeast Asia and is distinguished by its elongated snout, series of dorsal spines, and body patterned with irregular blotches or band like markings. Although not a true eel, it shares the burrowing and nocturnal behaviors typical of spiny eels. Care Instructions Tank Size: