Spotted Blue Eye (Pseudomugil gertrudae) in aquarium
๐ŸŒฟ Freshwater ยท Tropical

Spotted Blue Eye

Pseudomugil gertrudae โ€” Pseudomugilidae
๐Ÿ“ Size:ย 4-6
โณ Lifespan:ย 5
โญ Care level:ย Beginner

Overview

The Spotted Blue Eye is a popular freshwater fish known for its striking blue eyes and silvery body adorned with dark spots. These fish are peaceful and make excellent community fish, though they do not school. They thrive in well-maintained tanks with open swimming space and require moderate care. They are suitable for beginners and can be kept in tanks as small as 30 liters.

Quick fact: Pseudomugil gertrudae belongs to the family Pseudomugilidae. Care level: beginner.

Scientific Classification

RankClassification
FamilyPseudomugilidae
GenusPseudomugil
SpeciesPseudomugil gertrudae
Water typefreshwater

Natural Habitat

Native to the coastal streams of Australia, the Spotted Blue Eye prefers slow-moving waters with plenty of vegetation.

Appearance

They have a slender, elongated body with a striking blue eye that stands out against their silvery blue and white coloration.

Coloration: blue eyes, silvery body with dark spots

Behavior

These fish are generally peaceful and can be kept with other peaceful species. They are active and require open swimming space, but do not school. They are curious and may be observed investigating the tank decor.

TraitValue
Temperamentpeaceful community fish
SchoolingNo
Activity levelmoderate
Important: prefers open swimming space

Water Requirements

ParameterIdeal RangeNotes
Temperature21โ€“28ยฐC (70โ€“82ยฐF)Use a reliable adjustable heater
pH6โ€“7.5Avoid sudden swings
Hardness (GH)5-15 dGH dGHSoft to moderately hard
Ammonia0 ppmAny detectable ammonia signals a problem
Nitrite0 ppmToxic even at low levels
Nitrate<20 ppmManage through regular partial water changes
Min. tank30L (8 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 Spotted Blue Eye is also known as the Blue-Eyed Killifish.
  • It is known for its vibrant coloration, especially in males.
  • Males engage in territorial displays and can be more colorful than females.

๐Ÿ“‹ Full Care Guide

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

Read Spotted Blue Eye Care Guide โ†’

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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.