Hector Goby Care Guide

Koumansetta hectori · Saltwater Goby

Hector Goby
AI-generated illustration of Hector Goby
Adult size
~3″ (7.6 cm)
Suggested tank
20+ gal
Placement
Sandbed
Flow
Low to Medium

What Hector Goby look like

The Hector Goby (Koumansetta hectori) exhibits a streamlined body that can reach a maximum adult size of approximately 3 inches (7.6 cm). Its coloration is typically a pale yellowish to light brown with distinct dark brown or black spots along the dorsal and lateral surfaces, providing effective camouflage among sandy substrates. Sexual dimorphism is subtle, with males generally displaying slightly larger and more pronounced dorsal fins compared to females. This species possesses a fused pelvic fin forming a disc-like sucker, which aids in substrate adherence. Additionally, the Hector Goby features a well-defined lateral line system that aids in detecting water movements and potential predators, while its small, sharp dentition is adapted for grazing on microalgae and detritus.

Behavior & temperament

Hector Gobies are generally social fish, often found in small groups within their natural habitat. They exhibit a benthic lifestyle, typically residing near the substrate where they can forage for food. Breeding behavior involves the establishment of territories, with males performing courtship displays to attract females. Their temperament is relatively peaceful, although they may exhibit territorial aggression towards conspecifics, particularly during the breeding season. They are known to engage in a unique behavior of hovering above the substrate while scanning for food, and they often retreat into crevices when threatened.

Diet & feeding

In the wild, Hector Gobies primarily feed on small benthic invertebrates, algae, and detritus. In captivity, they thrive on a diet of high-quality flake food, frozen or live brine shrimp, and finely chopped marine foods.

Behind the name

The genus name 'Koumansetta' is derived from the name of the Dutch marine biologist, Dr. A. Koumans, while the species name 'hectori' honors the Hector family, who contributed to the study of marine life.

Plan your tank

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

Keeping Hector Goby?

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