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🌊 Marine 🌡️ Deep-water

Longfin slickhead

Alepocephalus longiceps Lloyd, 1909
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Deep-water
Resilience
Medium
Vulnerability
29.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Longfin slickhead (Alepocephalus longiceps), first described by Lloyd, 1909 is a medium-sized fish in the family Alepocephalidae (order Alepocephaliformes). Adults typically reach 16.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Alepocephalus longiceps
Authority
Lloyd, 1909
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
16 cm
Trophic Level
3.5
Resilience
Medium
Vulnerability
29.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 20 - 21; Anal spines: 0; Anal soft rays: 22 - 24. Pored scales in lateral line less than 60. frontal bone flat above the eye, not forming a ridge. Snout spatulate, sharply protruded, more than 1.5 times the orbit diameter. Palatine teeth sharp.: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Longfin slickhead 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; bathydemersal; depth range ? - 1300 m . Deep-water Northwest Pacific: Ryukyu Trough, Japan.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00339 × L3.19 (TL)
Max TL
16cm
Dorsal Rays
21
Anal Rays
23

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
29.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Lloyd, 1909

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Longfin Slickhead
🌍CES uzlatka dlouhohlavá
🇯🇵Japanese Togarikon-nyakuiwashi · トガリコンニャクイワシ
🇨🇳Chinese 長鰭平頭魚 · 長鰭黑頭魚 · 黑頭魚

Scientific Synonyms

Scientific Name Author Year Status
Alpocephalus longiceps Lloyd 1909 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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