Pseudomugil Gertrudae 2-3cm Pseudomugil Gertrudae brings blue-eye display behaviour and delicate finnage in a planted aquarium to a suitably prepared aquarium. Plan its home around adult space, water, diet and social needs rather than the current sale size. Quick Facts Scientific name: Pseudomugil gertrudae Product type: blue-eye or small rainbowfish Sale size: Approximately 2–3cm as listed Sale unit: One individual per quantity ordered unless the listing states otherwise Social needs: Social fish best kept in an appropriate group, with sex balance considered where relevant Is this for you? Perfect if: you can keep a proper group and provide fine food, plants and a covered aquarium. Consider something else if: you want a solitary fish or have large, aggressive or highly competitive feeders. Why choose Pseudomugil Gertrudae? Choose Pseudomugil Gertrudae for blue-eye display behaviour and delicate finnage in a planted aquarium. Base compatibility and long-term housing on its adult requirements; individual appearance and maturity can vary. Key Benefits Blue-eye display behaviour and delicate finnage in a planted aquarium Husbandry guidance focused on blue-eye or small rainbowfish needs Clear sale-size and sale-unit information for purchase planning Care & Specifications Provide a mature planted aquarium with open swimming space, gentle-to-moderate flow and a secure lid. Check the exact species’ temperature and water preferences. Social requirements: Social fish best kept in an appropriate group, with sex balance considered where relevant. What will you receive? You will receive the selected quantity of Pseudomugil Gertrudae 2-3cm. Size within the stated range, colour, markings, finnage and sex can vary between individuals unless the listing explicitly fixes them. Acclimation & Introduction Prepare the blue-eye or small rainbowfish aquarium before arrival and follow current NTA livestock acclimation guidance. Reduce lighting, avoid sudden changes in temperature or water chemistry, and monitor breathing, posture, feeding and interactions after introduction. Ongoing Care Offer fine quality foods and small frozen or live foods that can be taken near the surface and mid-water. Maintain stable water through testing and appropriately sized water changes. Review the setup as Pseudomugil Gertrudae grows or social behaviour changes. Pairs perfectly with A mature aquarium prepared for this livestock Reliable water tests and species-appropriate filtration Food selected for the animal’s mouth size and feeding zone NTA Insight:These fish show best when secure in a group. A covered tank matters because small rainbowfish can jump through surprisingly narrow gaps. Before You Buy Check the adult size, social structure, water requirements and diet for Pseudomugil Gertrudae before ordering. The listed sale size describes current stock, not its permanent size. Compatibility lists are guides only. Individual behaviour, aquarium dimensions, sex, group size and established territories can change the outcome. FAQ Should blue-eyes be kept alone?No. They are social fish and should be planned as an appropriate group rather than a single ornamental specimen. Will the supplied Pseudomugil Gertrudae match the photograph exactly?No. Livestock photographs represent the species or variety; colour, markings, finnage, size and maturity naturally vary. Is the listed size the adult size?No. It is an approximate sale size where stated. Confirm adult requirements before purchase.