Blackline penguinfish
📖 Overview
Feeds on worms, small insects and crustaceans. In the tank, female lays a large number of eggs, which hatch in about 20 to 24 hours . Maximum length reported to reach 6 cm TL . Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm .
🔬 Taxonomy
🐟 Physical Description
Physical description for Blackline penguinfish is currently being compiled.
🌀 Behaviour
Behavioural data for Blackline penguinfish is currently being reviewed.
🦐 Diet
The species feeds on worms, small insects, flake food and crustaceans.
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; pelagic; pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 22°C - 28°C South America: upper Amazon River basin in Peru and Araguaia River in Brazil.
🌿 Ecology
worms, small insects and crustaceans
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Blackline penguinfish is an edible species."
- Clear, bright eyes — cloudy eyes indicate age
- Firm flesh that springs back when pressed
- Fresh ocean smell, never strong or ammonia-like
- Bright red or pink gills, not grey or brown
- Shiny, moist skin with scales tightly attached
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Detailed nutritional data for Blackline penguinfish is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Blackline penguinfish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Balloon Penguin Tetra · Blackline Penguinfish · Blackline Thayeria · False Penguin Tetra · Hockey-stick Tetra · Penguin Fish · Penguin Tetra |
| 🌍CES | tetra křivopruhá |
| 🇩🇪German | Schrägschwimmer |
| 🇫🇮Finnish | Kulmatetra |
| 🇭🇺Hungarian | Ferdénúszó pontylazac |
| 🇳🇱Dutch | Hockeystick · Zilvertetra |
| 🇵🇹Portuguese | Lambari · Matupiri · Peixe Pingüim · Piaba · Tetra Pingüim |
| 🇷🇺Russian | Косая тайэрия · Тайерия Бёльке |
| 🇪🇸Spanish | Mojarita · Pez Pingüino |
🦠 Common Diseases
The following diseases are known to affect Blackline penguinfish.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .
👥 Community & Contribute
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