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A fish swimming in the Great Lakes today may have been alive before many colonial settlements existed in the region.

A new scientific study suggests lake sturgeon may live far longer than previously believed. Using 44 years of tagging and recapture data from five Great Lakes populations, researchers estimated that male lake sturgeon may live 90 to 279 years, while females could potentially reach 99 to 427 years.

For many years, scientists estimated sturgeon age by counting growth rings in fin spines, similar to tree rings. Researchers now say that method becomes less reliable as lake sturgeon age because their growth slows and the rings become increasingly difficult to distinguish. By tracking individual fish over decades, the study offers a new way to understand how long these ancient fish may live.

The findings also align with knowledge long shared by some Indigenous communities, whose oral traditions have described lake sturgeon as exceptionally long-lived beings. In many Great Lakes cultures, sturgeon hold deep importance as part of foodways, seasonal knowledge, and relationships with waterways.

Lake sturgeon were once heavily harvested and treated as nuisance fish in the late 1800s, contributing to major population declines. According to Michigan DNR reporting, less than 1% of historic Great Lakes lake sturgeon numbers remain. Because they mature slowly and reproduce over many decades, recovery takes time across generations.

The study highlights the value of long-term monitoring and collaboration among Tribal Nations, fisheries researchers, universities, and conservation agencies. Protecting healthy rivers, spawning habitat, and connected waterways remains important for the future of this species.

Phalera bucephala, otherwise known as the buff-tip moth, is a remarkable mimic that can easily disguise itself as a twig. This moth has a unique resting position that makes its body seem narrower and more cylindrical, and its wings are covered in silver patterns that resemble tree bark, while the buff-colored patches on its head and forewings mimic the appearance of freshly-snapped wood.

Above: three actual twigs and one buff-tip moth

This type of camouflage is also known as a "protective resemblance" -- a form of mimesis in which an animal can avoid being preyed upon by mimicking an unremarkable or inedible aspect of its environment. Many other moths are able to disguise themselves in similar ways, often mimicking dead leaves, twigs, moss, and/or tree bark.

Above: more photos of Phalera bucephala

The buff-tip moth is particularly adept at disguising itself, however, and the fact that it so strongly resembles such a specific object (not just a dead leaf or a piece of foliage, but a broken twig from a silver birch tree, in particular) makes this disguise seem even more impressive and unique.

Above: the photo at the top shows a buff-tip moth in its resting position, while the photo at the bottom shows the same species with its wings unfurled

It also tends to look like there's a weird little smiley face in the setae surrounding the moth's head, which is arguably even more striking, but for some reason none of my sources seem to mention that weirdness.

Above: the weird little smiley face on the back of the moth's head

This species is distributed throughout the British Isles, mainland Europe, and parts of Asia, with its range extending into Eastern Siberia.

Sources & More Info:

Wildlife Insights: Buff-Tip Moth Identification Guide

Butterfly Conservation: Buff-Tip

Wildlife Insights: Phalera bucephala

The Wildlife Trusts: The Buff-Tip Moth

Moth Identification: Phalera busephala

Encyclopedia of Life: Global Map of Known Occurrences for Phalera busephala

Insecta: Phalera bucephala

Lepidoptera and their Ecology: Phalera busephaloides and Phalera busephala

Journal of Ecology and Evolution: Strong Foraging Preferences for Ribes alpinum in the Polyphagous Caterpillars of the Buff-Tip Moth

It's the Royal Academy of Art Young Artist's Summer Show. One of my favourite exhibitions of the year. Like. Not only are the older kids insanely talented, the younger ones' artist statements will just punch you right in the face.

Jeffrey is my cat and he feels like my heart