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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Carpet eel-blenny

Congrogadus subducens Richardson, 1843
Max Length
45 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
0–10 m
Climate
Tropical
Resilience
Medium
Vulnerability
44.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits coastal waters, often in brackish conditions . Found hidden amongst rocks or coral rubble . Reproductive activity appears to be cyclical and the species may not be a protogynous hermaphrodite . Also found in coral reefs among crevices (Ref 90102).

Scientific Name
Congrogadus subducens
Authority
Richardson, 1843
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
45 cm
Depth Range
0–10 m
Latitude
25°S – 35°N
Trophic Level
4
Resilience
Medium
Vulnerability
44.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 68 - 74; Anal spines: 0; Anal soft rays: 57 - 66; Vertebrae: 74 - 84. Coloration varied, capable of changing its color. Spots or blotches on body form reticulations and crossbands; paler ventrally. Gill membranes ventrally free from the isthmus. Posterior otic sensory canal pore present. Cephalic sensory canal pores not pigmented. : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Carpet eel-blenny is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; brackish; reef-associated; depth range 0 - 10 m . Tropical; 35°N - 25°S West Pacific: Nicobar Islands, Andaman Sea and Japan to the tropical coasts of Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Trophic Level
4±0.67

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
45cm
Dorsal Rays
71
Anal Rays
62
Vertebrae
79

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
44.00/100
Moderate vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
35°N – 25°S
Described By
Richardson, 1843

🍽️ Edibility & Flavour

"Carpet eel-blenny 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 19.1 g
Omega-3 (total) 83 mg

🔬 Mercury Safety

Mercury data for Carpet eel-blenny 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
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Ambeetunbeet · Carpet Conger Blenny · Carpet Eel Blenny · Carpet Eel-blenny · Daggerfish · Eared Eel-blenny · Launce · Lurking Machete · Ocellated Eel Blenny · mud blenny
🌍CES sapínovec kobercový
🇩🇰Danish Øre-koralsmutte
🇩🇪German Schlammschleimfisch
🇯🇵Japanese Sen-ningaji · Senningaji · センニンガジ
🌍MSA Tilan punai
🇵🇹Portuguese Blênio-enguia-do-coral
🇷🇺Russian Угретреска
🌍THA ปลาไหลทราย
🌍VIE Cá Đai chình
🇨🇳Chinese 鰻鯛

Scientific Synonyms

Scientific Name Author Year Status
Congradus subducens Richardson 1843 Synonym
Congrogadus encryptes Jordan & Fowler 1902 Synonym
Congrogadus nebulatus Bleeker 1852 Synonym
Congrogadus reticulatus Bleeker 1853 Synonym
Congrogadus subulatus Günther 1852 Synonym
Hierichthys encryptes Jordan & Fowler 1902 Synonym
Machaerium nebulatum Bleeker 1852 Synonym
Machaerium reticulatum Bleeker 1853 Synonym
Machaerium reticulum Bleeker 1853 Synonym
Machaerium subducens Richardson 1843 Synonym
Stenophus marmoratus Castelnau 1875 Synonym
Stenophus obscurus Castelnau 1875 Synonym

📚 Scientific References

13 publications cited

General
  1. Froese, R. and Pauly, D. (Editors) (2024). FishBase. World Wide Web electronic publication. FishBase Consortium. Link ↗
Conservation
  1. IUCN (2024). The IUCN Red List of Threatened Species. Version 2024-1. International Union for Conservation of Nature. Link ↗
Taxonomy
  1. GBIF Secretariat (2024). GBIF Backbone Taxonomy. Checklist dataset. Global Biodiversity Information Facility. DOI ↗
Nutrition
  1. USDA Agricultural Research Service (2024). FoodData Central. USDA National Nutrient Database. United States Department of Agriculture. Link ↗
Fishery
  1. NOAA Fisheries (2024). FishWatch: U.S. Seafood Facts. National Oceanic and Atmospheric Administration. Link ↗
  2. Monterey Bay Aquarium (2024). Seafood Watch Recommendations. Monterey Bay Aquarium Foundation. Link ↗
Aquaculture
  1. FAO Fisheries and Aquaculture Department (2024). The State of World Fisheries and Aquaculture. Food and Agriculture Organization of the United Nations. Link ↗
Distribution
  1. Kaschner, K., Kesner-Reyes, K., Garilao, C., Segschneider, J., Rius-Barile, J., Rees, T., Froese, R. (2024). AquaMaps: Predicted range maps for aquatic species. AquaMaps. Link ↗
Ecology
  1. Nelson, J.S., Grande, T.C., Wilson, M.V.H. (2016). Fishes of the World. 5th edition. John Wiley & Sons.
Behavior
  1. Helfman, G.S., Collette, B.B., Facey, D.E., Bowen, B.W. (2009). The Diversity of Fishes: Biology, Evolution, and Ecology. 2nd edition. Wiley-Blackwell.
Morphology
  1. Froese, R. (2006). Cube law, condition factor and weight-length relationships: history, meta-analysis and recommendations. Journal of Applied Ichthyology, 22(4), 241-253. DOI ↗
Toxicology
  1. Halstead, B.W., Auerbach, P.S., Campbell, D. (1988). A Colour Atlas of Dangerous Marine Animals. Wolfe Medical Publications. Wolfe Medical.
Reproduction
  1. Balon, E.K. (1975). Reproductive Guilds of Fishes: A Proposal and Definition. Journal of the Fisheries Research Board of Canada, 32(6), 821-864.

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

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