This is our analysis of sea temperature at the Kawaihae Reef during the Super El Niño event in 2026. Our experience is limited to observations of the 2014–2016 El Niño events. We paid attention in those years because the corals in our waters were turning white. In 2014, the impact at Kawaihae was minimal compared with the other Hawaiian Islands.… Read more “2026 El Niño Sea Temperature Analysis for Coral bleaching warning at Kawaihae Reef”
Antler Coral Exceeds Average Annual Growth

As expected, this Antler Coral grew at least 5 cm annually or perhaps even more than the average, as shown. I have organized the images as best as I could, given the underwater conditions.
Estimating or measuring growth height is challenging because living things like coral grow in complex ways.… Read more “Antler Coral Exceeds Average Annual Growth”
Life at the Antler Coral Colony

This antler coral (Pocillopora grandis) was damaged in July 2025. I wrote about the possible cause, the relocation of its parts, and some good news about its recovery here. However, that was just dry information.
I’ve visited this colony for years, regularly watching the residents live and hide among its branches.… Read more “Life at the Antler Coral Colony”
