a fish that is swimming in some water

Angelfish

Marine angelfish (family Pomacanthidae) are perciform reef fishes found on shallow tropical reefs of the Atlantic, Indian, and mainly western Pacific Oceans.

marine angelfishPomacanthids

Last Updated Mar 9, 2026 · 4 sources

Species Guide

What to know about angelfish

A clean field guide focused on habitat, identification, behavior, and conservation context without burying the useful parts.

Marine angelfish belong to the family Pomacanthidae and are perciform fishes associated with shallow coral and rocky reefs in tropical regions. The family comprises seven genera and about 86 described species. Marine angelfish are distinct from freshwater angelfish, which are tropical cichlids native to the Amazon Basin.

Identification

How to identify angelfish

The visual markers divers can use underwater, plus the species most likely to cause confusion.

Key identification markers

Taxonomic group

Perciform fishes belonging to the family Pomacanthidae.

Typical habitat

Associated with shallow reefs in tropical Atlantic, Indian, and mostly western Pacific Oceans.

Common lookalikes

Freshwater angelfish (cichlids)

Not the same: freshwater angelfish are tropical cichlids from the Amazon Basin rather than marine Pomacanthidae.

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Responsible Encounters

How to dive with angelfish

Conservation-minded guidance for divers who want the encounter without adding pressure.

Give angelfish space, avoid blocking the animal's path, and follow local site and operator rules for wildlife interactions with saltwater fishes.

Field Notes

Interesting things worth knowing

Useful species context that makes the encounter more meaningful once you are underwater.

Field notes

Family size

Pomacanthidae contains seven genera and about 86 species.

Name confusion

Marine angelfish share a common name with unrelated freshwater angelfish from the Amazon Basin.

FAQ

Frequently asked questions

Clear planning and conservation answers written for search visibility and AI retrieval.

Research Sources

Angelfish information sources

Primary and credible references behind the field-guide and conservation claims on this page.

Sources 4Last Updated
Pomacanthidae · Encyclopedia · Wikipedia

Supporting wildlife source.

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