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Diadromous Least Concern 🌡️ Tropical

Ocellated sand-eel

Lamnostoma polyophthalmus Bleeker, 1853
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Ocellated sand-eel (Lamnostoma polyophthalmus), first described by Bleeker, 1853 is a fish in the family Ophichthidae (order Anguilliformes). It is diadromous, migrating between freshwater and marine environments during its life cycle. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Lamnostoma polyophthalmus
Authority
Bleeker, 1853
Habitat
Diadromous
Climate
Tropical
IUCN Status
LC
Trophic Level
3.7
Resilience
High
Vulnerability
25.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. Body elongate, more or less cylindrical, slightly compressed, with a hard tail tip; sharply conical head; large mouth, reaching well behind eyes; teeth on jaws small, sharp and recurved; vomerine teeth larger; gill-openings strongly oblique, small, beneath the throat with an extra fold of skin alongside; very low dorsal and anal fins; dorsal fin origin about 1/4 head-length behind gill-openings . Color in life yellowish dusted with brown; upper surface of head and nape consisting of double row of yellow round spots, vertex with a yellow transverse streak; lateral line pores lighter than surrounding skin .: eel-like.

🌀 Behaviour

Behavioural data for Ocellated sand-eel 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; demersal. Tropical East Indies.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.7±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00093 × L2.99 (TL)

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.7
Predator
Climate Zone
Tropical
Described By
Bleeker, 1853

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