Jun 16, 2026General10 min read
Ricordea vs Mushroom Coral
How to separate Ricordea from other mushroom corals using texture, bubble-like vesicles, mouth count, and growth pattern.
Coral Guides
Coral identification articles
Browse the newest coral ID guides or narrow the list by reef category.
Jun 12, 2026Zoanthids11 min read
Zoanthids vs Palythoas
A reef hobbyist comparison of zoas and palys using polyp size, mat structure, oral disc shape, and safety context.
Jun 9, 2026General11 min read
Mushroom Coral Identification Guide
Identify common mushroom corals including Discosoma, Rhodactis, and Ricordea by surface texture, mouth shape, and colony behavior.
Jun 5, 2026SPS12 min read
Montipora Identification Guide
A practical guide to plating, branching, and encrusting Montipora corals for reef aquarium identification.
Jun 2, 2026SPS12 min read
Acropora Identification Guide
How to recognize Acropora corals by branch shape, axial corallites, radial corallites, growth form, and reef tank photo evidence.
May 28, 2026General11 min read
How to Identify Coral from a Photo
A photo-first coral ID workflow covering lighting, angle, visible structure, and how to use AI suggestions responsibly.
May 28, 2026LPS10 min read
Torch Coral vs Hammer Coral
Compare tentacle length, tip shape, colony structure, and photo traps when separating torch coral from hammer coral.
May 28, 2026LPS10 min read
Torch Coral vs Frogspawn
A practical visual comparison for telling torch coral and frogspawn apart under real reef aquarium lighting.
May 28, 2026LPS10 min read
Goniopora vs Alveopora
How to use tentacle count, polyp extension, and colony context to separate goniopora and alveopora corals.