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Diadromous Least Concern 🌡️ Tropical

Thin sand-eel

Yirrkala tenuis Günther, 1870
Max Length
53 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Thin sand-eel (Yirrkala tenuis), first described by Günther, 1870 is a large fish in the family Ophichthidae (order Anguilliformes). Adults typically reach 53.00 cm in maximum length. 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
Yirrkala tenuis
Authority
Günther, 1870
Habitat
Diadromous
Climate
Tropical
IUCN Status
LC
Max Length
53 cm
Trophic Level
3.8
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Vertebrae: 167 - 174. Olive brown above, dusky on head, lighter below .: eel-like.

🌀 Behaviour

Behavioural data for Thin 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 south to Natal, South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.8±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00093 × L2.99 (TL)
Max TL
53cm
Vertebrae
171

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.8
Predator
Climate Zone
Tropical
Described By
Günther, 1870

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Caecula natalensis Fowler 1934 Synonym
Ophichthys tenuis Günther 1870 Synonym
Pantonora tenuis Günther 1870 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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