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🌊 Marine Least Concern 🌡️ Tropical

Saddled snake-eel

Leiuranus semicinctus Lay & Bennett, 1839
Max Length
66 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
0–10 m
Climate
Tropical
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Occurs in sandy areas and seagrass beds of both lagoon and seaward reefs. Uses its stiff pointed tail to rapidly burrow backwards into the sand when frightened . Benthic . Feeds on sand-dwelling fishes and crabs and prawns. Sometimes fully exposed when searching for prey . Rises to the surface to spawn .

Scientific Name
Leiuranus semicinctus
Authority
Lay & Bennett, 1839
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
66 cm
Depth Range
0–10 m
Latitude
40°S – 40°N
Trophic Level
3.1
Resilience
Medium
Vulnerability
35.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0; Vertebrae: 162 - 171. White to yellow with 25-30 black saddles . : eel-like; Cross section: circular.

🌀 Behaviour

Behavioural data for Saddled snake-eel is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

Rises to the surface to spawn. Once there, one or more males may seize a female by the back of the neck and remain attached for hours before spawning occurs.

🌍 Habitat & Distribution

Marine; brackish; reef-associated; depth range 0 - 10 m , usually 0 - 10 m . Tropical; 40°N - 40°S East Africa to the Hawaiian, Marquesan, and Mangaréva islands, north to southern Japan, south to northern New South Wales, Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Trophic Level
3.1±0.3
Food Items

sand-dwelling fishes and crabs and prawns

📐 Morphometrics

Length–Weight Relationship: W = 0.00093 × L2.99 (TL)
Max TL
66cm
Vertebrae
167

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Latitude Range
40°N – 40°S
Described By
Lay & Bennett, 1839

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 20 records indexed .

Occurrence density from GBIF View GBIF records ↗

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