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Scientists discover bizarre termite that looks like a tiny sperm whale

Date:

April 1, 2026

Source:

University of Florida

Summary:

High in a South American rainforest canopy, scientists have discovered a bizarre new termite species that looks strikingly like a miniature sperm whale. Named Cryptotermes mobydicki, this tiny insect has an elongated head and concealed mandibles that give it an uncanny resemblance to the iconic marine giant. Researchers were so surprised by its unusual appearance that they initially thought it belonged to an entirely new genus.

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This image shows the termite soldier’s frontal prominence and elongated head resembling the head of a sperm whale, and how in both the whale and termite, the mandibles are eclipsed by the head. Credit: Rudolph Scheffrahn

High in the treetops of a South American rainforest, scientists have identified a tiny soldier termite with a surprisingly whale-like appearance. The unusual insect caught the attention of an international team of researchers, who were struck by how different it looked from any known species.

Named Cryptotermes mobydicki, the termite was described by an international research team led by a University of Florida scientist. It features a long, rounded head and mandibles that are mostly hidden from view. Its shape closely resembles a sperm whale, the famous marine animal from Herman Melville's novel, which inspired its name.

"This termite is unlike anything we've ever seen," said Rudolf Scheffrahn, professor of entomology at the UF Institute of Food and Agricultural Sciences (UF/IFAS).

Whale-Like Head Shape Surprises Scientists

According to Scheffrahn, the insect's appearance was so unusual that researchers initially believed they might be looking at an entirely new genus. His taxonomic research is based at the UF/IFAS Fort Lauderdale Research and Education Center.

"The lateral view of the soldier's frontal prominence and elongated head resembles the head of a sperm whale, and in both organisms, the mandibles are eclipsed by the head," he said. "The whale's eye and soldier's antennal socket are comparatively positioned. After I noticed the resemblance to a sperm whale, my coauthors thought the name to be appropriate and whimsical, much like 'ghost orchid' or 'Dumbo octopus.'"

New Species Adds to Termite Evolution Puzzle

This discovery brings the number of known Cryptotermes species in South America to 16. Genetic analysis shows that Cryptotermes mobydicki is closely related to other species found across the Neotropics, including populations in Colombia, Trinidad and the Dominican Republic. These findings provide new insight into how this group of termites has evolved and spread.

The colony was located inside a dead tree standing about eight meters above the forest floor. Its unusual body structure highlights just how diverse termite species can be and points to how many organisms in tropical environments remain undocumented.

Biodiversity Gains and No Threat to Homes

"The discovery of this distinctive new termite species underscores the vast number of unnamed organisms yet to be discovered on our planet," said Scheffrahn.

Each new species adds to scientists' understanding of biodiversity, especially in groups like termites, which include only about 3,000 known species worldwide.

There is also reassuring news for Florida property owners. As a drywood termite, Cryptotermes mobydicki does not pose a risk to buildings or trade. Unlike invasive termites that damage structures in parts of the southeastern United States, this species is limited to its native rainforest habitat and does not spread beyond it.