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🌊 Marine Least Concern 🌡️ Subtropical

Lestidium Prolixum

Lestidium prolixum Harry, 1953
Max Length
27 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
200–620 m
Climate
Subtropical
Resilience
High
Vulnerability
32.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Lestidium Prolixum (Lestidium prolixum), first described by Harry, 1953 is a medium-sized fish in the family Paralepididae (order Aulopiformes). Adults typically reach 27.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 200 to 620 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
Lestidium prolixum
Authority
Harry, 1953
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
27 cm
Depth Range
200–620 m
Trophic Level
3.9
Resilience
High
Vulnerability
32.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 10; Anal soft rays: 31 - 33; Vertebrae: 87 - 93. This species is distinguished by the following characters: lateral-line scales 145-158; anal-fin rays 31-33; vertebrae: prehaemal 36-41, prepelvic 35-38, predorsal 38-42, total 87-93; dorsal-fin origin slightly overlapped with pelvic fin to slightly behind tip of pelvic fin, horizontal distance between origins of pelvic and dorsal fins 3.8-5.4% SL and 18.4-25.5% horizontal distance between origins of pelvic and anal fins. Colouration: gill chamber and branchial membranes are uniformly blackish; large dots along the upper margin of lateral line forming a wave-like boundary .Cross section: compressed.

🌀 Behaviour

Behavioural data for Lestidium Prolixum 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; bathypelagic; depth range 200 - 620 m . Subtropical Northwest Pacific: Japan to Taiwan.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.9±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00186 × L3.13 (TL)
Max TL
27cm
Dorsal Rays
10
Anal Rays
32
Vertebrae
90

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
3.9
Predator
Climate Zone
Subtropical
Described By
Harry, 1953

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