Amblygobius phalaena, known as the Sleeper Banded Goby, is notable for its habit of rearranging rocks and sand to construct burrows as nests. These fish mate monogamously and males tend to the eggs in the burrow nests.

Art and fact by Darien Satterfield, Instagram & Twitter & Tiktok  @DiverDarien

[Edited by Nicole Rodrigues]

Reference:

Takegaki, T. Monogamous Mating System and Spawning Cycle in the Gobiid Fish, Amblygobius phalaena (Gobiidae). Environmental Biology of Fishes 59, 61–67 (2000). https://doi.org/10.1023/A:1007651718465