After decades of uncertainty, scientists have formally confirmed a bizarre tiny ghost pipefish—Solenostomus snuffleupagus—whose reddish, “hairy” camouflage makes it resemble a Sesame Street character.
When divers first glimpsed a shockingly reddish, bristly-looking fish drifting among Papua New Guinea’s red algae, it seemed like the kind of creature you might only see in a story—until it kept slipping away. David Harasti saw it in 2003, then spent years trying to find it again.
The breakthrough came only after Harasti’s hunch was followed up the hard way: recruiting Great Barrier Reef divers and searching museum collections. including the shelves of the Australian Museum. to prove the fish wasn’t a hallucination.. Now. scientists have confirmed the species and given it a formal name—Solenostomus snuffleupagus—long after that first red flash in the water.
“This looks like Snuffleupagus,” Graham Short said, describing the moment he recognized the resemblance.. “It’s almost identical.. It’s scary.” Short. an ichthyologist and taxonomist at the California Academy of Sciences and the Australian Museum. co-wrote the paper formally describing the new species with Harasti.. Short added that the Sesame Street reference wasn’t just playful—the name was a direct nod to how unmistakably the fish seems to resemble Big Bird’s famously fuzzy friend.
The newly described fish is tiny: adults measure between one and 1.5 inches long. and the species is found in the southwest Pacific Ocean.. It is also now the seventh known ghost pipefish species.. Ghost pipefish are relatives of seahorses, and they’re known for camouflage—exactly the trick S.. snuffleupagus appears to pull off.
Short said divers can pass by the fish without realizing it’s a fish at all because it looks like “bits of floating red algae.” Ghost pipefish. he added. are rarely studied closely; scientists often rely on what divers notice in the field.. Even then, some key biology has emerged.. Like seahorses, females are larger, and males brood eggs.. CT scans—taken by Short and other researchers—also revealed something unexpected in the diet: skeletons of smaller fishes in the guts of ghost pipefishes. including S.. snuffleupagus.
To confirm that S.. snuffleupagus was truly its own species, the researchers didn’t rely only on appearance.. They compared multiple traits against known relatives.. CT scans showed the new species had more vertebrae than its closest kin.. Mitochondrial DNA analysis suggested S.. snuffleupagus diverged from its nearest relative roughly 18 million years ago.
And then there’s the feature that made it stand out from the beginning.. Short said it’s “so hairy compared to other species.” It’s not fur or mammalian hair. but filaments on hard. bony plates that act like an exoskeleton for ghost pipefishes. which don’t have traditional fish skin.. While other species may appear slightly “hairy” in places—such as under the snout—S.. snuffleupagus takes the look further, with filaments extending more broadly.
“It’s so hairy compared to other species,” Short said. “But this one took the hairy form all the way. I mean, it looks ridiculous.”
With the formal identification now complete, the mystery that began with Harasti’s red-and-bristly glimpse in 2003 has a scientific home.. S.. snuffleupagus joins the ghost pipefish family as a newly recognized species—one so effectively camouflaged that for years it nearly remained a myth. even to the people who were looking for it.
ghost pipefish Solenostomus snuffleupagus Papua New Guinea red algae camouflage marine biology ichthyology CT scans mitochondrial DNA taxonomy