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🌊 Marine Least Concern 🌡️ Subtropical

Long-fin short-tail conger

Ariosoma dolichopterum Karmovskaya, 2015
Max Length
42.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
10–480 m
Climate
Subtropical
Resilience
Medium
Vulnerability
27.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Long-fin short-tail conger (Ariosoma dolichopterum), first described by Karmovskaya, 2015 is a large fish in the family Congridae (order Anguilliformes). Adults typically reach 42.10 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 10 to 480 metres. It occurs in Subtropical 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
Ariosoma dolichopterum
Authority
Karmovskaya, 2015
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
42.1 cm
Depth Range
10–480 m
Trophic Level
3.9
Resilience
Medium
Vulnerability
27.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 180 - 185; Anal soft rays: 120 - 140; Vertebrae: 127 - 131. This species is distinguished by the following characters: six supraorbital, eight infraorbital, ten preoperculo-mandibular, and three temporal large pores; it has a welldefined dark medial stripe on the lower surface of the snout; pectoral fin length 39-48% of head length; preanal pores 46-50; total vertebral number 127-131, precaudal vertebrae 58-61 .Cross section: oval.

🌀 Behaviour

Behavioural data for Long-fin short-tail conger is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; demersal; depth range 10 - 480 m . Subtropical West Pacific: India to South China Sea; north off Vietnam and Taiwan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.9±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00098 × L3.07 (TL)
Max TL
42.1cm
Dorsal Rays
183
Anal Rays
130
Vertebrae
129

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.9
Predator
Climate Zone
Subtropical
Described By
Karmovskaya, 2015

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