These six-foot-long “living fossils” can live up to a hundred years, five times longer than thought
Scaling up
Curious if there was more to the story, Mahe and his team recently examined 27 African coelacanth specimens, stored at thein Paris and caught between 1954 and 1991, including one juvenile and two embryos. Further analyses using a standardized measurements for aging animal specimens confirmed their results, meaning the coelacanth has one of the most sluggish metabolisms in the sea.
The study has a thorough statistical approach, he says, with the scientists “asking themselves whether they believe this data.” , an expert in fish growth at Oregon’s Department of Fish and Wildlife, notes that since fish scales can slough off and reabsorb into the body as an animal ages, they’re not a reliable estimate of the ages of long-lived fish.
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