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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Spotted garden-eel

Heteroconger hassi Eibesfeldt, 1959
Heteroconger Hassi (Heteroconger hassi)
Heteroconger Hassi (Heteroconger hassi)
Max Length
45 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
1–50 m
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Often found on sandy slopes below 15 m; withdraws into its burrow when approached. Usually in colonies containing up to several hundred individuals. Adults feed on zooplankton . Minimum depth reported taken from Ref. 86942.

Scientific Name
Heteroconger hassi
Authority
Eibesfeldt, 1959
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
45 cm
Depth Range
1–50 m
Latitude
23°S – 30°N
Trophic Level
3.4
Resilience
Medium
Vulnerability
33.00/100
Migration
Non-migratory
Water Temp
25–29 °C
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 449 - 540; Anal spines: 0; Anal soft rays: 273 - 334; Vertebrae: 163 - 177. Variable but usually two large black spots are obvious; body diameter to about 14 mm . Anterior nostrils included in continuous free labial flange. Pectoral fins minute. Total vertebrae 163-177, anal origin below vertebra 59-66. : eel-like; Cross section: circular.

🌀 Behaviour

Behavioural data for Spotted garden-eel is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated; non-migratory; depth range 1 - 50 m . Tropical; 25°C - 29°C ; 30°N - 23°S East Africa to the Society Islands, north to the Ryukyu and the Ogasawara islands, south to northwestern Australia and New Caledonia; throughout Micronesia (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
3.4±0.4
Food Items

zooplankton (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
45cm
Dorsal Rays
495
Anal Rays
304
Vertebrae
170

🌡️ Water Parameters & Tolerance

Temperature Range
25–29°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Latitude Range
30°N – 23°S
Described By
Eibesfeldt, 1959

🍽️ Edibility & Flavour

"Heteroconger Hassi 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 18.2 g
Omega-3 (total) 111 mg

🔬 Mercury Safety

Mercury data for Spotted garden-eel 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) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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