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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Hairtail blenny

Xiphasia setifer Swainson, 1839
Max Length
53 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
2–1190 m
Climate
Tropical
Resilience
Medium
Vulnerability
63.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Adults occur on open soft-bottom and mud habitats from shallow bays to deep water. They are found in tube-like burrows in sand or mud bottoms . Very rarely encountered but more usually seen at night . Nocturnal feeders. Stomach of two specimens trawled in 50-54 m off western India contain crustaceans (including copepods), polychaete remains, forams, fish scales, and some sand and mud . 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 . Have eel-like bodies but are rarely seen swimming away from their burrow .

Scientific Name
Xiphasia setifer
Authority
Swainson, 1839
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
53 cm
Depth Range
2–1190 m
Trophic Level
3.9
Resilience
Medium
Vulnerability
63.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 13 - 14; Dorsal soft rays (total): 105 - 119; Anal spines: 2; Anal soft rays: 107 - 119. Easily distinguished from other blennies by an extremely elongate body. Dorsal fin origin above eye.: eel-like; Cross section: circular.

🌀 Behaviour

Behavioural data for Hairtail blenny is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing .

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 2 - 1190 m . Tropical West Pacific: Red Sea and False Bay, South Africa to Vanuatu, north to southern Japan, south to Australia.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.9±0.5
🌙 Nocturnal

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
53cm
Dorsal Spines
14
Dorsal Rays
112
Anal Spines
2
Anal Rays
113

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
63.00/100
High vulnerability
Trophic Level
3.9
Predator
Climate Zone
Tropical
Described By
Swainson, 1839

🍽️ Edibility & Flavour

"Hairtail 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

Detailed nutritional data for Hairtail blenny is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Hairtail 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

🔬 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 Eel Blenny · Hair-tail Blenny · Hairtail Blenny · Snake Blenny · hairtailed blenny · Hair Tailed Blenny · Snakeblenny
🌍CES slizoun šnečí
🇯🇵Japanese Unagigimpo · ウナギギンポ
🇵🇹Portuguese Blênio-espada-do-Indo-Pacífico
🇷🇺Russian Коричневополосая ксифазия
🇪🇸Spanish Blenio Serpiente
🌍THA ปลากระบี่
🇨🇳Chinese 帶鳚 · 長鳚

Scientific Synonyms

Scientific Name Author Year Status
Nemophis lessoni Kaup 1858 Synonym
Xiphasia trachypareia Bleeker 1864 Synonym
Xiphogadus madagascariensis Playfair 1868 Synonym

🗺️ 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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