Ocellaris Clownfish (Amphiprion ocellaris) in aquarium
🌿 Saltwater · Indo-West Pacific|Chinese Exclusive Economic Zone

Ocellaris Clownfish

Amphiprion ocellaris — Pomacentridae
🏠 Origin: Indo-West Pacific|Chinese Exclusive Economic Zone
📏 Size: 8–11 cm
Lifespan: 6–20 years
Care level: Beginner

Overview

The Ocellaris Clownfish (Amphiprion ocellaris) is a saltwater fish belonging to the family Pomacentridae. It thrives at temperatures of 24–27 °C with a pH of 8.1–8.4, and requires a minimum tank volume of 120 litres. Known for its peaceful reef fish; territorial around host anemone, it is considered a beginner-level species. Forms a symbiotic relationship with sea anemones; can be kept without one but benefits from it. Water changes of 25–30 % weekly, stable parameters, and appropriate tank mates are key to long-term success with this species.

Quick fact: Amphiprion ocellaris belongs to the family Pomacentridae. Care level: beginner.

Scientific Classification

RankClassification
FamilyPomacentridae
GenusAmphiprion
SpeciesAmphiprion ocellaris
Water typesaltwater
Native rangeIndo-West Pacific|Chinese Exclusive Economic Zone

Natural Habitat

Amphiprion ocellaris originates from Indo-West Pacific|Chinese Exclusive Economic Zone. It inhabits saltwater environments and is adapted to the water conditions found in its native range.

Appearance

Adults reach 8–11 cm in length. The body is saltwater and the species displays characteristic coloration suited to its environment.

Behavior

This species is described as a peaceful reef fish; territorial around host anemone. It does not school and can be kept individually or in small numbers. Activity level is moderate. Forms a symbiotic relationship with sea anemones; can be kept without one but benefits from it.

TraitValue
Temperamentpeaceful reef fish; territorial around host anemone
SchoolingNo
Activity levelmoderate
Important: Forms a symbiotic relationship with sea anemones; can be kept without one but benefits from it.

Water Requirements

ParameterIdeal RangeNotes
Temperature2427°C (7581°F)Use a reliable adjustable heater
pH8.18.4Avoid sudden swings
Hardness (GH)8–12 dKH (alkalinity) dGHSoft to moderately hard
Ammonia0 ppmAny detectable ammonia signals a problem
Nitrite0 ppmToxic even at low levels
Nitrate<5 ppmManage through regular partial water changes
Min. tank120L (32 gal)Larger tanks are easier to keep stable
Important: Always dechlorinate tap water before adding it to the tank. Chlorine and chloramines damage a fish's gills and reduce life expectancy.

Interesting Facts

  • The 'Finding Nemo' fish; after the film released in 2003, demand for Ocellaris Clownfish surged globally.
  • All clownfish are born male; the dominant individual in a group transforms into the female.
  • Captive-bred Ocellaris Clownfish are widely available and hardier than wild-caught specimens.

📋 Full Care Guide

Ready to set up a tank for your Ocellaris Clownfish? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.

Read Ocellaris Clownfish Care Guide →

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Editorial review

This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.