Thai National Parks

Marine spacies of Thailand

Species of Thailand

Tomato clownfish

Binomial name: Amphiprion frenatus, James Carson Brevoort, 1856

The tomato clownfish, Amphiprion frenatus, is a clownfish that is found in the waters of the Western Pacific, from the Ryukyu Islands, Japan, to Malaysia and Indonesia. It is also known as the bridled clownfish, red clownfish, or tomato anemonefish.

The adult fish is bright orange-red, with one white vertical stripe just behind the eyes, joined over the head. Some varieties have darker coloration or dark spots on their flanks. Juveniles are a darker red, with three vertical white bands and black pectoral fins.

They can grow to 14 cm (5.5 in) in length, however the female is usually larger than the male. The eggs are deposited on a flat surface and tended by the pair until they hatch (6 to 11 days). They prefer to nestle in purple anemones such as the bubble-tip anemone, Entacmaea quadricolor, or the Sebae anemone, Heteractis crispa.

In the wild, the species eats zooplankton and algae, being an omnivorous species.

In captivity

As a pet, many marine hobbyists agree that at least 20 USgal L of tank volume is necessary for the fish, however others believe larger is necessary for this fish to have ample room for maneuvering. Many hobbyists use a quarantine tank prior to introduction into the main tank as it helps to rid the Tomato Clownfish of saltwater-borne diseases.

This species of fish thrives well even without a host anemone. In the absence of a host, it may "adopt" corals of a tank to reside. It will eat most meat or vegetable food preparations, including dried algae, mysis shrimp, and brine shrimp. The tomato clownfish has been reported to be aggressive and territorial when mature, and specimens have been known to be extremely aggressive even towards clownfishes of other species. For this reason, it is best kept singly or in mated pairs; some claim that it will cohabit with other clownfish varieties if they are introduced at the same time. The Tomato clownfish has successfully been bred and raised in captivity; the fry can be fed on baby brine shrimp and rotifers.

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Scientific classification

Amphiprion frenatus


  • Prochilus polylepis
  • Amphiprion polylepis
  • Amphiprion melanopus
  • Amphiprion macrostoma
  • Amphiprion ephippium

Range Map

Range map of Amphiprion frenatus in Thailand