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

Diadromous Data Deficient 🌡️ Tropical

Longfin spaghetti eel

Moringua macrochir Bleeker, 1853
Max Length
20 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
0–15 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Longfin spaghetti eel (Moringua macrochir) is a ray-finned fish of the family Moringuidae. It inhabits diadromous, migrating between freshwater and the sea waters. This species can reach a maximum total length of 20 cm. It occurs at depths between 0 and 15 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Moringua macrochir
Authority
Bleeker, 1853
Habitat
Diadromous
Climate
Tropical
IUCN Status
DD
Max Length
20 cm
Depth Range
0–15 m
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Vertebrae: 110. : eel-like.

🌀 Behaviour

Behavioural data for Longfin spaghetti 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; benthopelagic; depth range 0 - 15 m . Tropical West Pacific: Christmas Island, Philippines and Indonesia.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00102 × L3.06 (TL)
Max TL
20cm
Vertebrae
110

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Bleeker, 1853

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Lesser Thrush Eel · Longfin spaghetti eel
🌍CES štíhlouš dlouhoploutvý
🇵🇹Portuguese Moringa-de-barbatana-longa

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 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 Longfin spaghetti 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.