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

🌊 Marine Least Concern 🌡️ Tropical

Napoleon snake eel

Ophichthus bonaparti Kaup, 1856
Max Length
75 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
1–20 m
Climate
Tropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits sand flats of lagoon and seaward reefs to a depth of over 20 m . Burrowing species of inshore waters . Feeds on small fishes, and probably crustaceans . Only the head is usually visible from the sand during the day . Solitary in sand (Ref 90102). Minimum depth reported taken from Ref. 86942.

Scientific Name
Ophichthus bonaparti
Authority
Kaup, 1856
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
75 cm
Depth Range
1–20 m
Trophic Level
4
Resilience
Medium
Vulnerability
37.00/100
Salinity
30–40 ppt

🐟 Physical Description

Vertebrae: 156 - 164. Golden yellow to cream with 18-27 prominent black saddles, a few meeting below . Dorsal and anal margin with irregular spots and golden marbling and spots on snout and head . Body broadly banded with black and white . : eel-like; Cross section: circular.

🌀 Behaviour

Behavioural data for Napoleon snake eel 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; reef-associated; depth range 1 - 20 m . Tropical South Africa, then from Mauritius to Indonesia; north to Japan, south to Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
4±0.7
🧍 Solitary
Food Items

small fishes, and probably crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00093 × L2.99 (TL)
Max TL
75cm
Vertebrae
160

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
4
Apex / Top predator
Climate Zone
Tropical
Described By
Kaup, 1856

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Napoleon snake eel ↗
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Spotted incorrect or outdated data?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.