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💧 Freshwater Vulnerable 🍽️ Edible 🌡️ Tropical

Tigerfish

Rhamphochromis longiceps Günther, 1864
Max Length
28 cm
Max Weight
Lifespan
Trophic Level
3.8
Depth
Climate
Tropical
Resilience
High
Vulnerability
28.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Found in reedy bays and lagoons, at open sandy beaches, throughout the shelf and reef zones , and in the open water . Piscivorous . Small specimens mostly feed on crustacean zooplankton, adults predominantly eat larvae and juveniles of small shoaling zooplanktivorous cyprinid Engraulicypris sardella; female mouthbrooder .

Scientific Name
Rhamphochromis longiceps
Authority
Günther, 1864
Habitat
Freshwater
Climate
Tropical
IUCN Status
VU
Max Length
28 cm
Latitude
17°S – 9°N
Trophic Level
3.8
Resilience
High
Vulnerability
28.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Diagnosis: small, closely-packed teeth; relatively small maximum size; larger specimens often with bright greenish metallic iridescence on upper surface of the body, mature males can be more bluish-grey .

🌀 Behaviour

Behavioural data for Tigerfish is currently being reviewed.

🦐 Diet

Diet information for Tigerfish is currently being compiled.

🥚 Reproduction

Mouthbrooding females and juveniles commonly found inshore, generally in surface water in the shelf and littoral zones, often in reed bays and lagoons .

🌍 Habitat & Distribution

Freshwater; pelagic; depth range ? - 148 m . Tropical; 9°N - 17°S Endemic to Lake Malawi and upper Shire River.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.8±0.62
Food Items

crustacean zooplankton, adults predominantly eat larvae and juveniles of small shoaling zooplanktivo

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
28cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
3.8
Predator
Climate Zone
Tropical
Latitude Range
9°N – 17°S
Described By
Günther, 1864

🍽️ Edibility & Flavour

"Tigerfish 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

Per 100g cooked — Source: USDA FoodData Central

Nutrient Amount
Protein 19.7 g
Omega-3 (total) 405 mg

🔬 Mercury Safety

Mercury data for Tigerfish 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

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Malawi Barracuda · Tigerfish
🌍NYA Mcheni

Scientific Synonyms

Scientific Name Author Year Status
Champsochromis longiceps Günther 1864 Synonym
Hemichromis longiceps Günther 1864 Synonym
Paratilapia longiceps Günther 1864 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Tigerfish ↗
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