🧵1/5Great new paper! 📄🐟 Arroyave et al. (2026) tackles one of the strangest freshwater fish puzzles: the Chiapas Catfish Lacantunia enigmatica is distributed in Lacantún River basin of Mexico and Guatemala… yet appears closely tied to an otherwise African catfish lineage. 🌍 shorturl.at/KM3ZH

Video of a patch of nature in Lincoln Park.

A patch of nature in Lincoln Park.

Interested in joining a growing lab in LA? We’re hiring a postdoc!! Please spread the word to folks in your network and feel free to get in touch with any questions recruit.apo.ucla.edu/JPF11142

Urban nature patch. Chicago.

A small patch of native plants in Depaul’s Lincoln Park campus attracting pollinators.

Now accepting nominations for the Lifetime Achievement Award! This prize recognizes contributions to the field through research, mentorship, outreach, and/or other service to the evolutionary biology community. Submit your nomination today! www.evolutionsociety.org/society-awar...

Happy Monday!

The beauty of common milkweed.

Some very intense lightning clouds passing to one side of our neighborhood. Felt like I was a character in The War of the Worlds, and the Martians were coming!

Back in Chicago and feeling OK after struggling through a stomach bug upon return Monday. Let the summer finally begin! :)

Scout was poking around in the bushes and came out with a tiny flower on his head! :)

Returned to our elderberry in full flower.

Applications are open! For the annual Linnean Medal for significant and sustained dedication to the protection of nature including conservation, communication, education and advocacy. Deadline for nominations is 30 September. For all details and nominations: www.linnean.org/the-society/...

A land iguana feeding next to the runway at Baltra. Galapagos.

The fish market great blue heron was looking for a treat.

Last day in Galapagos was spent in Puerto Ayora, Santa Cruz Island.

Y'all - the Smithsonian is hiring three new curators - herpetology, ichthyology, and ornithology! Notably, this is a 2nd fish curator position - i.e., not the same as the one advertised last month. So if you applied for that one apply again. www.usajobs.gov/job/873849000

Really excited to share that Chris Martinez & my paper on ecological, functional, & evolutionary diversity produced by novel jaw joints in fishes is out [email protected]! We show how modulation of these new joints can produce a wide range of functional opportunities doi.org/10.1093/evol...

Celebrating Ecuador’s victory and advance to the next round of the World Cup in Puerto Villamil, Isabela Island, Galapagos.

Large ray. Los Túneles, Isabela, Galapagos.

Seal lion being a punk! Isabela Island, Galapagos.

The iconic Galapagos Blue-Footed Booby. Los Tuneles, Isabela Island, Galapagos.

Sea turtle feeding, Los Túneles, Isabela, Galapagos.

Sharks sleeping. Los Túneles, Isabela, Galapagos.

Los Tüneles, Isabela, Galapagos.

With some blue-footed booby friends. The stunning landscape of Los Túneles at Isabela Island, Galapagos, in the background.

Tintoreras, Isabela, Galapagos.

Class meeting with Galapagos fishers at the Fisherwoman restaurant, Puerto Villamil, Isabela.

A marine iguana with an itch. Isabela, Galápagos.

Scenic view near the Wall of Tears, Isabela, Galapagos.

El Muro de las Lagrimas (the wall of tears). Isabela Galapagos.

Wild Galapagos tortoise. Santa Cruz Highlands.

Galapagos sealion!

Surgeonfish and friends! Galapagos Archipiélago.

Enjoying some downtime at Isabela Coffee in Puerto Villamil after a morning hike to Sierra Negra.

At the second largest volcano crater on Earth! Sierra Negra, Isabela Island, Galapagos. Happy Father’s Day to all the Papas out there!

1835 Café, Puerto Ayora, Galapagos. Happy.

One of my favorite moments of the day. If you missed it, take a moment… 🤎 John Legend and Common performing “Glory.”

Happy to see the new publication of our study on the Ironcolor Shiner and understanding its genetic diversity using population genomics. link.springer.com/article/10.1...

Evening on the ocean. Galapagos.

The stunning landscape of a young lava formation in Sullivan Bay, Santiago Island, Galapagos.

A close encounter with a white tip reef shark at Santiago Island, Galapagos. Most sharks are completely harmless for people and all are important for Marine ecosystems.

Sunset on Genovesa.

Red-footed booby with a nestling on Genovesa Island.

Being a biologist has its moments. Returning from Black Turtle Cove in the Galapagos

Huge Fish Curator gig is advertised! Assistant Curator of Fishes at the Florida Museum of Natural History (part of Uni of. Florida) explore.jobs.ufl.edu/en-us/job/54...

Enchanted Islands here we come!

Help make a difference in a young scientist's career by donating to our Graduate Research Excellence Grants. Even small amounts move us closer to our goal! www.gofundme.com/f/support-st...

I first met Neil Shubin 30 years ago when he was digging for fossils of our fishy ancestors in Pennsylvania road cuts. Now he's becoming president of the National Academy of Sciences. We talked about taking the helm of the 163-year-old organization at this fraught moment. Gift link: nyti.ms/4giD3FX