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💧 Freshwater Critically Endangered 🍽️ Edible 🎣 Game Fish 🌡️ Tropical

Forktail lates

Lates microlepis Boulenger, 1898
Max Length
93 cm
Max Weight
8.3 kg
Lifespan
-
Trophic Level
4.4
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Juveniles live in a specific inshore habitat until they reach 18 cm, thereafter it lives in the superficial pelagic zone; exclusively pelagic predator, feeding on clupeids and to a lesser extent on Luciolates; highly susceptible to intensive fishing . Oviparous . Juveniles often found near river mouths, but not in the rivers . Also caught using handlines .

Scientific Name
Lates microlepis
Authority
Boulenger, 1898
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
CR
Max Length
93 cm
Max Weight
8.3 kg
Trophic Level
4.4
Resilience
Medium
Vulnerability
37.00/100
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Caudal fin emarginate in juveniles.: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Forktail lates is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous
Size at Maturity
51cm TL

May breed in areas with plants . Distinct pairing during breeding . Oviparous .

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical; 24°C - 28°C ; 3°S - 9°S distributed in Lake Tanganyika (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
4.4±0.77

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.01 (TL)
Max TL
93cm
Max Weight
8,300g

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2025

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
4.4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Boulenger, 1898

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Line Weight
15-30
Rod Type
medium-heavy spinning
Hook Size
2/0-5/0
Catch & Release
✓ Recommended
Best Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Techniques
bottom fishing popping cork soft plastics live bait
Bait & Lures
live shrimp cut mullet soft plastic paddle-tails popping corks
Recommended Tackle
  • medium-heavy 7ft spinning rod
  • 30-50 lb braid
  • fluorocarbon leader
Where to Find Them
  • grass flats
  • oyster bars
  • marsh drains
  • deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips

Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.

Regulations Summary

⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.

🍽️ Edibility & Flavour

"Forktail lates 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 19.9 g
Omega-3 (total) 435 mg

🔬 Mercury Safety

Mercury data for Forktail lates 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

🔬 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
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Forktail Lates
🌍CES lates malošupinný
🇵🇹Portuguese Barramundi-cauda-de-garfo
🌍RUN Inonzi (adult) · Isarabahanda (juvenile)
🌍SWA Keke (juvenile singular) · Makeke (juvenile) · Nonzi (adult) · Sabalanda (juvenile)

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 10 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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