Penguin Tetra

🐟 Penguin Tetra
(Thayeria boehlkei)

Description:
The Penguin Tetra is a peaceful and active schooling fish, instantly recognizable by the bold black stripe running from the middle of its body to the lower tip of its tail. Hardy and adaptable, these fish swim at a distinctive tilted angle, giving them a unique presence in community aquariums.

Key Features:

• Distinctive black “penguin” stripe
• Peaceful, hardy schooling species
• Easy to care for; great for community aquariums
• Active swimmers with a unique angled posture

Care Requirements:

• Tank Size: 20 gallons minimum
• Size: 2.5–3 inches adult
• Temperament: Peaceful; thrives in schools of 6+
• Diet: Omnivore – flakes, pellets, frozen, and live foods
• Temperature: 72–82°F
• pH: 5.5–7.5
• Hardness: 3–12 dGH

Tank Setup:

• Best in planted tanks with open swimming space
• Works well with other peaceful schooling fish (tetras, rasboras, corydoras)
• Keep in groups for health, color, and reduced stress

Pro Tips:

• Their tilted swimming angle is normal and a signature trait
• Dark substrate and background help intensify their stripe
• Provide a mix of open areas and planted cover for natural schooling