Luiz Rocha

@coralreeffish.bsky.social

Curator of Fishes at CalAcademy and Rolex Laureate inspiring protection of the oceans through science, photography, exploration, and storytelling.

The Gilded Triggerfish (Xanthichthys auromarginatus) is a common and widely distributed fish. But because it prefers deeper waters (usually below 40m) in places with a lot of current, it's rarely seen. I photographed this beautiful male in the Maldives at about 70m depth.

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"Extinction of experience" in disciplines like ecology & paleobiology isn't just about fieldwork. It's also the loss of taxonomic expertise. Any focus on Big Data, divorced from knowledge of natural history, is a largely vacuous enterprise with limited capacity to generate meaningful insights. 🧪

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. 🌍🌱

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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.

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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

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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.

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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.

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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!

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