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marine-biology

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Wren Trelawny
10 Jun 2026

Sea slugs are the best argument against design

Stolen harpoons, stolen chloroplasts, disposable genitals, and a slug that throws away its own body and grows another. None of it looks planned.

evidencemarine-biologynature
★stars: 44 min read
WT
Wren Trelawny
09 Mar 2026

Rockpool survey, Prussia Cove, fourteen low tides

Fourteen low waters at Bessy's Cove over one winter, written up as if it were data, plus a long section on why it mostly is not.

evidencefield-notesmarine-biology
★stars: 98 min read
WT
Wren Trelawny
24 Nov 2025

The Latin name is Aplysia punctata and it looks like a wet slipper

Five animals from one stretch of Cornish shore: a sea hare that inks with its own lunch, an anemone eater, a limpet, a cushion star, a barnacle.

field-notesmarine-biologynature
★stars: 105 min read

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