Tomato Clownfish Amphiprion frenatus

Tomato Clownfish (Amphiprion frenatus) Care and Behavior Guide

The Tomato Clownfish is a bold, personality-driven marine fish known for its deep orange-red coloration and confident swimming pattern. This Amphiprion frenatus adapts well to aquarium life and handles a wide range of stable tank conditions.

This species is commonly available in both wild-collected and captive-bred forms, depending on availability. Smaller specimens are typically sourced from Indonesia, while larger individuals often originate from Fiji. As part of the clownfish group, the Tomato Clownfish forms strong territorial behavior and may host anemones.

Color Development and Growth of the Tomato Clownfish

The Tomato Clownfish begins life with multiple white bands and darker tones. As it matures, these markings fade, revealing a rich red or orange body with a single head stripe.

In captivity, most individuals grow to around 3–4 inches, though some may reach up to 5 inches. Females grow larger than males, especially in established pairs.

Aquarium Setup for Tomato Clownfish Success

A minimum tank size of 30 gallons supports proper territory and movement. The Tomato Clownfish prefers:

• Stable water parameters
• Rockwork for structure and shelter
• Moderate flow zones

Well-established systems help reduce territorial stress and improve long-term behavior.

Feeding and Diet

The Tomato Clown is an aggressive feeder and accepts a wide range of foods. Provide a varied omnivorous diet:

• Marine pellets or flakes
• Frozen mysis shrimp or brine shrimp
• Algae-based foods or herbivore blends

Consistent feeding supports coloration, growth, and overall health.

Temperament and Tank Mates

This species carries a semi-aggressive temperament and will defend its space as it matures. The Tomato clown pairs well with:

• Larger peaceful reef fish
• Wrasses
• Tangs

Avoid mixing with timid species or multiple clownfish unless introduced together. Defined territory helps reduce conflict.

Tomato Clownfish Care Facts

• Scientific Name: Amphiprion frenatus
• Origin: Indo-Pacific (Indonesia & Fiji)
• Care Level: Easy
• Temperament: Semi-aggressive
• Diet: Omnivore
• Reef Compatible: Yes
• Maximum Size: 5 inches
• Minimum Tank Size: 30 gallons
• Temperature Range: 72–78°F
• pH Range: 8.1–8.4
• dKH: 8–12
• Specific Gravity: 1.020–1.025
• Coloration: Orange, red, and white
• Family: Pomacentridae

Breeding Behavior

The Tomato Clowns are one of the more accessible marine fish to breed in captivity. Pairs form naturally, with the female becoming dominant.

They lay eggs on flat surfaces and guard them closely. Eggs usually hatch within 6–11 days depending on temperature. Fry require separate rearing and specialized feeding.