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Diadromous Least Concern 🎣 Game Fish ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical 🎣 Game Fish

Slender giant moray

Strophidon sathete Hamilton, 1822
Max Length
400 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
0–15 m
Climate
Tropical
Resilience
Low
Vulnerability
87.00/100
Typical Length
70 cm
Depth Zone
reef

📖 Overview

Inhabits muddy ocean bottoms and estuarine areas , but sometimes found in rivers and inner bays . Feeds mainly on a variety of small fishes and crustaceans. Known to extend itself vertically from a burrow with its head held horizontally beneath the surface, rising and falling with the tide . Marketed fresh and consumed locally . Solitary (Ref 90102).

Scientific Name
Strophidon sathete
Authority
Hamilton, 1822
Habitat
Diadromous
Climate
Tropical
IUCN Status
LC
Max Length
400 cm
Depth Range
0–15 m
Latitude
23°S – 30°N
Trophic Level
3.4
Resilience
Low
Vulnerability
87.00/100
Migration
Amphidromous
Water Temp
23–28 °C
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Vertebrae: 183 - 196. Brownish grey above, lighter below . Body moderately elongate, cylindrical in front, compressed along tail; eyes small; teeth small, biserial, inner series enlarged; head not obviously distinct from trunk although the profile is moderately steep; very large mouth, extending to well beyond eye; biserial sharp teeth on jaws, larger in front and in inner row; dorsal fin inserted on head before gill-opening; scales absent .: eel-like.

🌀 Behaviour

Behavioural data for Slender giant moray is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; reef-associated; dH range: 15 - 30; amphidromous ; depth range 0 - 15 m . Tropical; 23°C - 28°C ; 30°N - 23°S West Pacific: Red Sea and East Africa to the western Pacific.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🪸 Reef Associated
Migration
Amphidromous
Trophic Level
3.4±0.46
🧍 Solitary
Food Items

a variety of small fishes and crustaceans

📐 Morphometrics

Length–Weight Relationship: W = 0.00022 × L3.13 (TL)
Max TL
400cm
Vertebrae
190

🌡️ Water Parameters & Tolerance

Temperature Range
23–28°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
87.00/100
Very High vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Latitude Range
30°N – 23°S
Described By
Hamilton, 1822

⚠️ Venom Profile

Medical Warning: This species is venomous. Seek immediate medical attention if envenomated. Contact emergency services and follow first aid guidance below.
Venom Type
proteinaceous neurotoxin
Delivery
dorsal, anal, and pelvic fin spines
Potency
Severe
Mortality Risk
Low
Symptom Onset
5min
Duration
24.0hrs
Antivenom
✗ Not Available
Named Toxins
high-molecular-weight protein (Stonustoxin analogue) acetylcholine
Symptoms
  • immediate intense pain
  • swelling
  • erythema
  • occasional nausea and weakness
Affected Body Systems
peripheral nervous system cardiovascular
First Aid
Immerse affected area in hot water (45 C, tolerable) for 30-90 minutes to denature toxin. Do not apply ice.
Medical Treatment

Analgesia; wound care; tetanus prophylaxis; severe cases may require monitoring for systemic effects.

References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Line Weight
15-30
Rod Type
medium-heavy spinning
Hook Size
2/0-5/0
Catch & Release
✓ Recommended
Best Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Techniques
bottom fishing popping cork soft plastics live bait
Bait & Lures
live shrimp cut mullet soft plastic paddle-tails popping corks
Recommended Tackle
  • medium-heavy 7ft spinning rod
  • 30-50 lb braid
  • fluorocarbon leader
Where to Find Them
  • grass flats
  • oyster bars
  • marsh drains
  • deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips

Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.

Regulations Summary

⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Gangetic Moray · Giant Estuarine Moray · giant slender moray · Long-tailed Eel · Longtail moray · Marbled Moray · slender giant moray · Tide Guage Eel
🌍CES muréna ganžská
🇩🇪German Riesen-Deltamuräne
🇫🇷French Murène à longue queue · Murène fil géante
🌍HEB ניבן נפיל
🇮🇹Italian Murena coda lunga gigante
🇯🇵Japanese Onagautsubo · オナガウツボ · タケウツボ
🇵🇹Portuguese Moréia-dragão-indiana
🇷🇺Russian Стофидон-уи · Хвостатый эвенхелис
🇪🇸Spanish Morena esbelta gigante · Morenilla Gigante
🌍TGL Malibanos · Payangitan
🌍THA ปลาหลดหินยักษ์เรียว
🇨🇳Chinese 長鯙

Scientific Synonyms

Scientific Name Author Year Status
Evenchelys macrurus Bleeker 1854 Synonym
Gymnothorax sathete Hamilton 1822 Synonym
Lycodontis longicaudata McClelland 1844 Synonym
Lycodontis sathete Hamilton 1822 Synonym
Muraena macrurus Bleeker 1854 Synonym
Muraena sathete Hamilton 1822 Synonym
Muraenophis sathete Hamilton 1822 Synonym
Strophidon ui Tanaka 1918 Synonym
Thyrosidea macrura Bleeker 1854 Synonym
Thyrsoidea longissima Kaup 1856 Synonym
Thyrsoidea macrura Bleeker 1854 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 7 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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