Location: Isla Mujeres, Mexico
Florent's Guide To The
Tropical Reefs
Feather Hydroid
Gymnangium allmani
Scientific Name: Gymnangium allmani
Category: Thecate Hydroids
Size: 4 to 12 in. (10 to 20 cm)
Depth: 25-100 ft. (8-30 m)
Distribution: Caribbean
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© 2026 Florent Charpin