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💧 Freshwater Least Concern 🍽️ Edible 🐠 Aquarium 🌡️ Tropical

aquarium

Trematocranus placodon Regan, 1922
Max Length
25 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
26.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Shallow-water species , especially in swards of Vallisneria . Feeds mainly on gastropods, including Gabiella stanleyi, which is commonly found on the leaves of Vallisneria .

Scientific Name
Trematocranus placodon
Authority
Regan, 1922
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
25 cm
Trophic Level
3.4
Resilience
High
Vulnerability
26.00/100
Water Temp
24–26 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for aquarium is currently being compiled.

🌀 Behaviour

Behavioural data for aquarium is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 👄 Mouth Brooder 🛡️ Egg Guarder
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

The female can carry over 100 young in her mouth.

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 7.0 - 8.5; dH range: ? - 25; depth range ? - 32 m . Tropical; 24°C - 26°C ; 9°S - 17°S Widespread in Lake Malawi, upper Shire River and Lake Malombe.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.4±0.58
Food Items

gastropods, including Gabiella stanleyi, which is commonly found on the leaves of Vallisneria (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01862 × L3.02 (TL)
Max TL
25cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–26°C
pH Range
7–8.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Regan, 1922

🍽️ Edibility & Flavour

"aquarium is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • 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
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Detailed nutritional data for aquarium is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for aquarium has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact
✓ Sustainable Choice

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 22 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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