New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Slender eel goby

Taenioides gracilis Valenciennes, 1837
Max Length
30 cm
Max Weight
Lifespan
Trophic Level
4.1
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
35.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Found along the bottom in estuaries and the tidal zone of rivers . Encountered in medium to large-sized rivers of the lower Mekong . Reputed to be a sand-dweller . Feeds on small crustaceans and fishes. Marketed fresh .

Scientific Name
Taenioides gracilis
Authority
Valenciennes, 1837
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
30 cm
Trophic Level
4.1
Resilience
Medium
Vulnerability
35.00/100

🔬 Taxonomy

🐟 Physical Description

Vertebrae: 29. Without scales; dorsal and anal fins completely joined to caudal fin; vertical fins without black edges; no postsymphyseal canine teeth in lower jaw .: eel-like.

🌀 Behaviour

Behavioural data for Slender eel goby is currently being reviewed.

🦐 Diet

Diet information for Slender eel goby is currently being compiled.

🥚 Reproduction

Reproduction data for Slender eel goby is currently being compiled.

🌍 Habitat & Distribution

Freshwater; brackish; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
4.1±0.68
Food Items

small crustaceans and fishes

📐 Morphometrics

Length–Weight Relationship: W = 0.00178 × L2.98 (TL)
Max TL
30cm
Vertebrae
29

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
4.1
Apex / Top predator
Climate Zone
Tropical
Described By
Valenciennes, 1837

🍽️ Edibility & Flavour

"Slender eel goby 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 Slender eel goby is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Slender eel goby 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 Slender Eel Goby
🇯🇵Japanese Koganechiwarasubo · コガネチワラスボ
🌍THA ปลาเขือเรียว
🌍VIE Cá Rễ Cau

Scientific Synonyms

Scientific Name Author Year Status
Ambliopus gracilis Valenciennes 1837 Synonym
Amblyopus gracilis Valenciennes 1837 Synonym
Taenioides gracilis madagascariensis Chabanaud 1927 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet — be the first to log one!

View all observations for Slender eel goby ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.