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El pez león, la especie invasora que se ha extendido desde la Florida hasta las costas de Brasil #LlamadoalaTierra cnn.it/4iHQTka

The beautiful Headband Butterflyfish (Chaetodon mitratus) is found in deep reefs of the tropical Indian Ocean. They can be seen in some places as shallow as 20m depth, but are most common around 60m. I photographed this one at about 70m depth in Zanzibar. #mesophotic

The beautiful Centropyge nahackyi is a very rare angelfish found only on deep reefs of Johnston Atoll and occasionally Hawaii. When I went to Johnston back in 2006 they were quite common below 35m depth, and, unlike other pygmy angelfishes, surprisingly easy to photograph!

Staying in the Hawaii/Johnston area, here is another beautiful #mesophotic species that I photographed in Johnston Atoll: the Hawaiian Butterflyfish (Chaetodon tinkeri). This one is common at both places, rare in the Marshall Islands, and almost always found below 30m depth.

2 billion UK pounds or 2.4 billion US dollars. That would cover a lot of graduate student stipends and health care coverage.

Groppos (genus Grammatonotus) are only found in #mesophotic or deeper depths in the tropics. During our trip to the Marshall Islands I had the chance to photograph the beautiful G. xanthostigma at about 140m depth, and what a beauty it is! This was its first record to the region.

Our UCE phylogeny of Neotropical trahiras Erythrinidae has just been published in J. Biogeog. including an extensive continent-wide biogeographical analysis of major riverine transitions in South America! Link: doi.org/10.1111/jbi.15… led by Cristhian Conde w/ James Albert 🐟 🇺🇦

Crosshatch Triggerfish (Xanthichthys mento) sends everyone wishes of a very colorful and exciting week! #ichthyology #explore #scuba

From lots of color to no color at all! Meet the Midnight Angelfish (Centropyge nox). Yes, it's a real fish, and it's common in shallow coral-rich areas of the western Pacific. I photographed this one in Batangas, Philippines. #ichthyology

Hoping your day is as bright and beautiful as this Klunzinger's wrasse (Thalassoma rueppellii)! This species is only found in the Red Sea, and I photographed this one in Jeddah, Saudi Arabia, home to some spectacular coral reefs. #PositiveVibes

Meet the Flame Angelfish (Centropyge loriculus), one of the most stunning pygmy angelfishes in the world. I love the contrast between its bold red-orange body, black stripes, and electric blue markings on the fins. Found in shallow reefs of the central and south Pacific.

Happy Cinco de Mayo! Wishing everyone a day full of vibrant colors and Mexican Caribbean vibes — just like this magnificent Queen Angelfish (Holacanthus ciliaris) that I photographed a couple of years ago in Cancún! 🌊🎉🇲🇽 #CincoDeMayo #Cancun #Explore

1/12 🚨🚨🚨 New paper in Science Magazine Science Advances! We demonstrate the hidden, recent origins of reef fish diversity in the Miocene by leveraging genome-wide data to reveal the evolutionary history of wrasses, parrotfishes, and relatives! #science science.org/doi/10.1126/sc…

🌍 Coris atlantica is a beautiful wrasse common in oceanic islands of the tropical eastern Atlantic. Males often spread their fins and show off their colors to intimidate rivals and attract females. #ichthyology #biodiversity #SaoTome

🌊🌿 Happy International #BiodiversityDay2025! 🌿🌊 Symbiotic relationships are everywhere; these partnerships keep ecosystems balanced, species thriving, and life interconnected in ways we’re still discovering. And that teaches us a powerful lesson: we are better together!

The Bicolor Basslet (Lipogramma klayi) is a Caribbean deep-reef basslet. I photographed this one at 90m depth off Roatán at its natural #mesophotic habitat. This species is very rarely seen, but common at depths between 80 and 110m. #Honduras #DeepReefBiodiversity

Kicking off World Ocean Week with one of the ocean’s most colorful powerhouses — the mantis shrimp! 🌊🦐💥 Let’s protect their home and all the magic beneath the waves. 💙 #WorldOceanWeek #MantisShrimp #ProtectOurOceans #OceanMagic

The UN Ocean Conference is a week away! #UNOC3 We’re headed to France to join in-person & virtual events on: 🐟 Sustainable blue foods 🌊 Women in ocean science 🎣 Small-scale fisheries ...& more! Will you be there? Let us know in the comments 👋 ⤵️ oceansolutions.stanford.edu/stanford-2025-…

These spawning hamlets that I photographed in Belize are a perfect reminder of the ocean's rhythms and resilience. This #WorldOceanWeek, let’s celebrate and protect the underwater wonders that sustain our planet. Every fish, every reef, every ripple matters. 🌍🌱

Today, we celebrate the vast blue heart of our planet—the oceans. Be mindful, be curious, and be bold in your efforts to protect them. Here’s to the beauty, power, and mystery of the oceans. 🌍💙 #WorldOceansDay #ProtectOurBluePlanet #OceanLove