4.4K views · 703 reactions | The Signal Goby, a.k.a., Crab-eye Goby, a.k.a., Twin-spot Goby feeds by sand-sifting for tiny invertebrates, so we find them just off a reef or near a shoreline in silty, nutrient-rich sand. When not feeding, we often see pairs digging burrows, each taking a turn keeping watch for danger while the other digs.⁠ ⁠  @blennywatcher Anna DeLoach Papua New Guinea 2008 | Maduro Dive | Facebook

56K views · 2K reactions | New Years Resolution - Get The Sand Goby's Out . They Are Dropping Sand All Over My Mushrooms ! Had To Take Many Purple Monsters Out And Blowing Off Sand Has Become A Big Chore ! | Polo Reef by Andrew Sandler | Facebook

A 20-second montage of our orange-dashed goby substrate-sifting, for those who like gobies *and* hyphens. For those who like actual information, substrate-sifting is a feeding behavior in which a fish takes up mouthful of sand or gravel, then uses specialized structures in their gills to filter out tiny invertebrates. Whee! | California Academy of Sciences