Common name: Funnelweed

General information

Padina gymnospora, commonly known as Peacock's Tail or Brown Scroll Algae, is a species of brown algae that is quite popular in the reefkeeping hobby. This alga is characterized by its fan-like, concentrically banded thalli that resemble the tail feathers of a peacock. It is not only appreciated for its aesthetic appeal but also for its role in nutrient export and as a natural food source for herbivorous marine animals.

Care

Peacock's Tail is relatively easy to grow in a reef aquarium, provided it receives moderate to high lighting and some water flow. It is not particularly demanding regarding water quality, but like most marine algae, it thrives in stable conditions with adequate levels of calcium, magnesium, and trace elements. It can be a useful indicator of water quality, as it tends to grow more vigorously in nutrient-rich conditions.

Symbiosis

While Padina gymnospora does not have any specific symbiotic relationships akin to those seen in corals and anemones, it does provide a habitat and food source for a variety of small invertebrates and fish. It can also be part of a refugium setup, where it helps to control nutrient levels and provides a breeding ground for microfauna.

Habitat

Padina gymnospora is found in shallow, tropical and subtropical marine waters around the world. It typically grows on rocks and coral rubble in areas with good water movement. In the wild, it can be found at varying depths, often forming part of the complex structure of coral reef ecosystems.