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Antennarius maculatus (Desjardins, 1840) 2283129219

Warty frogfish

A spotted marine fish with a lure on its head found in the Indo-Pacific.

Photo: iNaturalist.org (Dan Schofield) (Dan Schofield), CC BY 4.0, via Wikimedia Commons

The warty frogfish is a ray-finned fish in the family Antennariidae. It lives in tropical waters from Mauritius to the western Pacific Ocean.

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  • Maximum length reaches 15 cm.
  • First dorsal spine acts as a fishing rod lure.
  • Skin changes colour to match surroundings.
  • Found in Indo-Pacific coral reefs.
  • Female may eat male after mating.

What it is

This species belongs to the family Antennariidae, commonly known as frogfishes. It has a globulous body covered in small dermal spinules and wart-like protuberances. The skin displays extreme colour variation, ranging from white to black through cream, pink, yellow, red, and brown. Dark circular spots are common. A key feature is the first dorsal spine, modified into an illicium or fishing rod ending in a lure called an esca. This lure resembles a small fish and attracts prey. The pectoral fins are angled to help the fish move along the bottom and maintain a stable ambush position.

Where it lives

The warty frogfish inhabits tropical waters across the Indo-Pacific area. Its range extends from Mauritius and Reunion Island in the central Indian Ocean to the western Pacific Ocean. Adults typically reside in sheltered rocky and coral reef environments. They are often associated with sponges at depths of up to twenty metres. The specific type locality for this species is Mauritius.

How it lives

These fish lead a benthic and solitary lifestyle. They are voracious carnivores that attack any small animal entering their strike range, primarily other fishes. Prey size can approach that of the frogfish itself. During the mating period, individuals gather but do not tolerate each other afterwards. Fertilisation occurs, and the female may kill or consume the male if he remains nearby. They exhibit biofluorescence, re-emitting blue or ultraviolet light as red under such illumination.

Breeding and life cycle

Frogfishes gather specifically during the mating season. After the act of fertilisation, they separate immediately. The relationship ends abruptly, with the female potentially killing and eating the male if he stays close. No further parental care or cohabitation occurs post-spawning.

Warty frogfish
A drawing made by EveryFish from what this page says. It is a diagram, not a picture of the real fish.

Questions people ask about Warty frogfish

What does the warty frogfish look like?

It has a globulous body covered in wart-like protuberances and small dermal spinules. The skin varies greatly in colour, including white, black, cream, pink, yellow, red, and brown, often with dark spots. The first dorsal spine is modified into a lure used to attract prey.

Where does the warty frogfish live?

It inhabits tropical waters in the Indo-Pacific region. Its range spans from Mauritius and Reunion Island in the Indian Ocean to the western Pacific Ocean. Adults are typically found in sheltered rocky and coral reefs, often near sponges at depths up to twenty metres.

How does the warty frogfish hunt?

It uses a modified first dorsal spine called an illicium, which ends in a lure resembling a small fish. This bait attracts prey within striking distance. As a voracious carnivore, it attacks small animals and fishes that pass close by, consuming prey nearly its own size.

Good reading and sources

Where this page comes from

The facts on this page come from the Wikipedia article "Warty frogfish", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). EveryFish rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.

It may contain mistakes, and figures change over time. Nothing here is investment or buying advice. If something is wrong, tell us. Last refreshed 2026-11-15.

Photo credits on this page

The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.

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