Midas Blenny Care Guide
Ecsenius midas · Saltwater Blenny
What Midas Blenny look like
The Midas Blenny (Ecsenius midas) exhibits a streamlined, elongated body that can reach a maximum adult size of approximately 4 inches (10 cm). Its coloration is predominantly bright yellow, with a distinctive dark blue or black stripe running horizontally from the eye to the base of the tail, providing a striking contrast. Sexual dimorphism is subtle, with males typically displaying slightly larger dorsal fins and more vibrant coloration than females. This species possesses a unique set of dentition, featuring small, comb-like teeth adapted for grazing on algae. Defensive adaptations include the ability to retreat into crevices and utilize their agile swimming to evade predators. The Midas Blenny also features a prominent, elongated dorsal fin that is often raised during displays, contributing to its overall visual appeal.
Behavior & temperament
Midas Blennies are generally social fish that exhibit a hierarchical structure within their groups, often establishing territories among rock formations. They are primarily found in the upper water column, frequently hovering near the substrate while foraging. Breeding behavior involves males performing courtship displays, characterized by fin flaring and body posturing to attract females. Their temperament is generally peaceful, although they can exhibit territorial aggression towards conspecifics or similar-looking species, particularly during breeding seasons. Midas Blennies are known for their inquisitive nature, often interacting with divers and aquarists.
Diet & feeding
In the wild, Midas Blennies primarily feed on algae, particularly filamentous varieties, and small zooplankton. In captivity, they require a diet rich in marine algae, spirulina, and high-quality pellets or flakes designed for herbivorous fish.
Behind the name
The genus name 'Ecsenius' is derived from the Greek word 'eksenos,' meaning 'to be out of place,' while the species name 'midas' refers to the mythical King Midas, known for his golden touch, reflecting the bright yellow coloration of this blenny.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
Keeping Midas Blenny?
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