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The Enchelyurus flavipes, also known as the Flametail Blenny, is a small marine blenny from tropical Indo-Pacific reefs. Its elongated body, low-set fins and brightly colored tail give it an easily recognized profile in a reef aquarium. Associated with shallow rocky areas, it spends much of its time resting on the substrate or hiding in crevices. This species is best suited to a mature marine aquarium with a well-structured layout and natural algae growth. In this profile, its availability is classified as Very common, according to the supplied rarity scale.

General species description

The Enchelyurus flavipes belongs to the combtooth blennies, benthic fishes that move in short hops between rocks and corals. It occupies coastal reefs and rocky areas where it can perch, graze and retreat quickly. Its behavior is usually discreet, although it becomes more visible when defending a small area or searching for food. In an aquarium, it benefits from a layout offering many shelters and surfaces covered with biofilm. Stable conditions, well-oxygenated seawater and peaceful tankmates support its adjustment. Its bottom-dwelling lifestyle and need for hiding places should guide the aquarium design.

Geographic origin and biotope

Reference countries: Australia, Indonesia, the Philippines and Papua New Guinea. The Enchelyurus flavipes is associated with the tropical Indo-Pacific, in shallow marine habitats that include fringing reefs, coral flats and rocky areas. It uses hard surfaces where fine algae grow and crevices provide shelter. Its natural environment has warm, clear and strongly circulated water, with local changes caused by tides and reef exposure. In an aquarium, good water movement, live rock and a complex structure should therefore be prioritized over an open, sparsely decorated layout.

Precise location and local name

Within its natural range, the Enchelyurus flavipes occurs on coastal reefs and rocky areas of tropical Australia and several Indo-Pacific archipelagos. It is found where rocks, dead coral and cavities create a network of accessible shelters. The most commonly used trade name is Flametail Blenny, referring to its caudal coloration. The name Yellow-foot Blenny may also be encountered in English. Like several reef blennies, it generally remains attached to a small home area rather than constantly crossing the entire aquarium.

Appearance and physical characteristics

The Enchelyurus flavipes has an elongated body, a relatively broad head and a long continuous dorsal fin. Its overall coloration is subdued, usually brownish to grayish with irregular markings that help it blend into rocks. The red-orange to yellow tail is its main identifying feature, while the lower fins may show yellow tones. Like other blennies, it uses its pectoral fins to support itself on the substrate. Its maximum size is about 11 cm, allowing it to be kept in a moderately sized marine aquarium when the layout is properly arranged.

General diet

The Enchelyurus flavipes mainly grazes on fine algae and biofilm covering rocks, while also taking small organisms found on the substrate. In an aquarium, it should receive a varied, vegetable-focused diet including algae-based preparations, nori sheets and marine foods designed for grazing herbivores or omnivores. Offer small portions several times per week rather than relying only on the natural algae growing on the rockwork. A constant supply of edible biofilm and algae helps prevent weight loss. Frozen foods such as mysis can supplement the diet, but should not become its main food source.

Essential data

• Original river name: not applicable — marine species
• Local name used: Flametail Blenny
• Origin of the scientific name: a Greek-derived genus name associated with an eel-like form; descriptive species epithet
• Full-name etymology: Enchelyurus roughly means “eel tail”; flavipes means “yellow-footed” or “yellow lower fins”
• Common/vernacular names: Flametail Blenny; Yellow-foot Blenny
• Family: Blenniidae
• Subfamily: Blenniinae
• Name pronunciation: en-keh-lee-YUR-us - FLAY-vee-pes
• Discovery: Albert Carl Ludwig Gotthilf Günther, 1861
• Maximum adult size: approximately 11 cm
• Water temperature and pH: 24 to 28 °C; pH 8.0 to 8.4
• Waterway appearance and surrounding vegetation: not applicable — rocky and coral marine reefs; fine algae and biofilm on hard surfaces
• Typical tankmates: peaceful small gobies, cardinalfish, small reef wrasses, calm damselfish, cleaner shrimp and marine snails
• Temperament and behavior: discreet, locally territorial, perches on rocks and grazes on biofilm
• Water depth: shallow reef areas
• Sexual dimorphism: external differences are difficult to identify reliably
• Bottom structure and flow: rocks, dead coral, cavities and patches of sand; moderate to strong circulation

In your aquarium

For successful care of the Enchelyurus flavipes, provide a mature marine aquarium with well-colonized live rock, several shelters and regular water movement. Offer supplemental vegetable foods, monitor its body condition and avoid highly aggressive tankmates or other territorial blennies. Stable warm, alkaline water and careful acclimation will help it settle in. Although small, this fish needs a functional aquascape rather than a merely decorative one.