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

🌊 Marine 🍽️ Edible 🌡️ Tropical

Spottail needlefish

Strongylura strongylura van Hasselt, 1823
Max Length
40 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
5–25 m
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
22 cm
Depth Zone
pelagic

📖 Overview

Found in coastal areas and mangrove-lined lagoons, also enters freshwater. Carnivorous. Feeds mainly on small fishes, especially clupeoids. Occurs at temperatures ranging from 26 to 29°C . Oviparous . Eggs may be found attached to objects in the water by tendrils on the egg's surface . Sold fresh in markets.

Scientific Name
Strongylura strongylura
Authority
van Hasselt, 1823
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
Max Length
40 cm
Depth Range
5–25 m
Latitude
27°S – 30°N
Trophic Level
4.2
Resilience
High
Vulnerability
27.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Beloniformes
Beloniformes
Family
Belonidae
Belonidae
Genus
Strongylura
Strongylura
Species
Spottail needlefish
Strongylura strongylura

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 15; Anal spines: 0; Anal soft rays: 15 - 18; Vertebrae: 59 - 65. Round in cross section. Dorsal fin rays 12-15; anal fin rays 15-18. Caudal peduncle without lateral keels. Caudal fin rounded or truncate. Predorsal scales few and relatively large, 100-130. Caudal fin light with a prominent round black spot near its base. Dorsal fin lobe and distal margin of caudal fin yellow in live adults, anterior margin of anal fin orange.: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Spottail needlefish is currently being reviewed.

🦐 Diet

Diet information for Spottail needlefish is currently being compiled.

🥚 Reproduction

Reproduction data for Spottail needlefish is currently being compiled.

🌍 Habitat & Distribution

Marine; brackish; pelagic-neritic; depth range 5 - 25 m . Tropical; 30°N - 27°S West Pacific: Persian Gulf eastward along the coasts of Pakistan, India, and Sri Lanka, then extending to southern China, the Philippines, and northern Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🐟 Pelagic
Trophic Level
4.2±0.73
Food Items

small fishes, especially clupeoids

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.09 (TL)
Max TL
40cm
Dorsal Rays
14
Anal Rays
17
Vertebrae
62

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
30°N – 27°S
Described By
van Hasselt, 1823

🍽️ Edibility & Flavour

"Spottail needlefish 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 Spottail needlefish is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Spottail needlefish 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 blackspot longtom
🇯🇵Japanese Kokutendatsu · コクテンダツ

Scientific Synonyms

Scientific Name Author Year Status
Belone caudimacula Cuvier 1829 Synonym
Belone oculata Leschenault 1846 Synonym
Belone saigonensis Sauvage 1879 Synonym
Belone strongylura van Hasselt 1823 Synonym
Strongylura caudimaculata van Hasselt 1824 Synonym
Strongylurus strongylura van Hasselt 1823 Synonym
Tylosurus strongylorus van Hasselt 1823 Synonym
Tylosurus strongylurus van Hasselt 1823 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 26 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 Spottail needlefish ↗
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.