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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Bicolor blenny

Ecsenius bicolor Day, 1888
Max Length
11 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
1–25 m
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Found solitary in abandoned tubes . Inhabit clear lagoon and seaward reefs with mixed corals and algae-covered rocks. Oviparous. Eggs are demersal and adhesive , and are attached to the substrate via a filamentous, adhesive pad or pedestal . Larvae are planktonic, often found in shallow, coastal waters .

Scientific Name
Ecsenius bicolor
Authority
Day, 1888
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
11 cm
Depth Range
1–25 m
Latitude
30°S – 30°N
Trophic Level
2
Resilience
High
Vulnerability
23.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 15 - 18; Anal spines: 2; Anal soft rays: 17 - 21. Occurs in three color phases: one black anteriorly and yellow posteriorly (bicolor phase), the others black dorsally with a broad white lateral band and dusky belly with or without a yellow tail.: elongated.

🌀 Behaviour

Behavioural data for Bicolor blenny is currently being reviewed.

🦐 Diet

Diet information for Bicolor blenny is currently being compiled.

🥚 Reproduction

Distinct pairing .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 25 m . Tropical; 30°N - 30°S north to Ryukyu Islands, south to the southern Great Barrier Reef; throughout Micronesia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L2.86 (TL)
Max TL
11cm
Dorsal Spines
12
Dorsal Rays
17
Anal Spines
2
Anal Rays
19

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
30°N – 30°S
Described By
Day, 1888

🍽️ Edibility & Flavour

"Bicolor 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 17.8 g
Omega-3 (total) 85 mg

🔬 Mercury Safety

Mercury data for Bicolor 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

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Ecsenius bicolour Day 1888 Synonym
Ecsenius hawaiiensis Chapman & Schultz 1952 Synonym
Salarias bicolor Day 1888 Synonym
Salarias burmanicus Hora & Mukerji 1936 Synonym
Salarias furcatus Johnstone 1904 Heterotypic
Salarias melanosoma Regan 1909 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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