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🌊 Marine Least Concern 🌡️ Subtropical

Blackline cucumberfish

Paraulopus melanogrammus Gomon & Sato, 2004
Max Length
24.3 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
184–606 m
Climate
Subtropical
Resilience
-
Vulnerability
20.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Blackline cucumberfish (Paraulopus melanogrammus) is a ray-finned fish of the family Paraulopidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 24.3 cm. It occurs at depths between 184 and 606 metres. With a trophic level of 4.1, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Paraulopus melanogrammus
Authority
Gomon & Sato, 2004
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
24.3 cm
Depth Range
184–606 m
Trophic Level
4.1
Vulnerability
20.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 11; Anal soft rays: 9 - 10; Vertebrae: 47 - 49. This species is characterized by the following features: 15-17 (usually 16) pectoral-fin rays; 47-49 (usually 48) vertebrae; 4-5+15-17 (usually 16) gill-rakers, upper limb with 3 fully formed rakers and 1-2 rudiments; 47-49 (usually 48) lateral-line scales; 4.5 scales above lateral line; 3 rows of scales on cheeks; supraocular ridge above middle three-quarters of the eye; large eye 2.5-3.1 (mean 2.7) in head; moderately small adipose fin, 1.7-3.7% (mean 3.1%) SL; anal fin of moderate height, 20.1-24.9% (mean 22.7%) SL; pelvic fin is distinctly longer than pectoral fin; dorsal fin with distinctly black leading edge basally and distally in juveniles or along entire margin in adults .: elongated.

🌀 Behaviour

Behavioural data for Blackline cucumberfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; pelagic-oceanic; depth range 184 - 606 m . Subtropical

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
4.1±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
24.3cm
Dorsal Rays
11
Anal Rays
10
Vertebrae
48

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
20.00/100
Low vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Gomon & Sato, 2004

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