Gillellus semicinctus
Gillellus semicinctus, the half-banded stargazer, is a species of sand stargazer native to the Pacific coast of the Americas from the Gulf of California to Colombia, as well as occurring in the Galapagos Islands. It can be found on sandy substrates at depths of from . It can reach a maximum length of  TL. References

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semicinctus
Fish described in 1890
Taxa named by Charles Henry Gilbert