[2] It may grow to be between 2–5 inches (5–10 cm) in length, and forms rhizoids which anchor the plant to surfaces.

[3] Caloglossa beccarii is typically found on stones in coastal streams of Southeast Asia, the western Pacific, and northern Australia.

Although it has been known to European aquarists since the 1990s, it wasn't identified until a 2004 assessment by Maike Lorenz, professor at the University of Goettingen.

[6] A 2020 DNA barcoding study isolated C. beccarii from Taiwanese aquarium stores.

It is a source of trace minerals such as calcium, potassium, iron, magnesium, and manganese, as well as amino acids such as arginine, leucine, and glutamine.