Tail Spot Blenny Care Guide

Ecsenius stigmatura · Saltwater Blenny

Tail Spot Blenny
AI-generated illustration of Tail Spot Blenny
Adult size
~3″ (7.6 cm)
Suggested tank
20+ gal
Placement
Lower to Middle
Flow
Medium

What Tail Spot Blenny look like

The Tail Spot Blenny, Ecsenius stigmatura, exhibits a slender, elongated body that can reach a maximum adult size of approximately 3 inches (7.6 cm). Its coloration is predominantly a light brown to yellowish hue, adorned with distinctive dark spots, particularly prominent on the caudal fin, which gives the species its common name. The head is relatively large with a blunt snout, and the eyes are positioned high on the head, providing a wide field of vision. Sexual dimorphism is subtle, with males generally displaying more vibrant coloration and larger dorsal fins compared to females. The species possesses a single dorsal fin that is long and continuous, extending from the nape to the base of the caudal fin, which is rounded and features the characteristic dark spot. Defensive adaptations include the ability to quickly retreat into crevices and rock formations, utilizing their body shape to evade predators.

Behavior & temperament

Ecsenius stigmatura is typically found in small groups and exhibits a social hierarchy, often establishing territories within their preferred habitats. They are primarily benthic, residing in the lower to middle levels of the water column, and are known for their agile swimming abilities, often darting in and out of rock structures. Breeding behavior involves males establishing territories and performing courtship displays to attract females. The species is generally considered peaceful but can exhibit territorial aggression towards conspecifics or similar species when space is limited. Their behavior includes frequent foraging on algae and detritus, showcasing a curious and active temperament.

Diet & feeding

The Tail Spot Blenny is primarily herbivorous, feeding on algae and detritus in its natural habitat. In captivity, it requires a diet rich in marine algae, spirulina, and high-quality herbivore flakes or pellets to thrive.

Behind the name

The genus name 'Ecsenius' is derived from the Greek word 'ek' meaning 'out of' and 'seni' meaning 'to swim', while the species name 'stigmatura' comes from the Greek 'stigma' meaning 'spot' or 'mark', referring to the distinctive markings on the fish.

Plan your tank

Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.

Keeping Tail Spot Blenny?

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