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🌊 Marine 🌡️ Tropical

Pacific Domine

Epinnula rex Ho, Motomura, Hata & Jiang, 2022
Max Length
75 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
283–300 m
Climate
Tropical
Resilience
Medium
Vulnerability
52.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Pacific Domine (Epinnula rex), first described by Ho, Motomura, Hata & Jiang, 2022 is a large fish in the family Gempylidae (order Scombriformes). Adults typically reach 75.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 283 to 300 metres. It occurs in Tropical waters. Diet is predominantly piscivorous, targeting other fish and larger prey.

Scientific Name
Epinnula rex
Authority
Ho, Motomura, Hata & Jiang, 2022
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
75 cm
Depth Range
283–300 m
Trophic Level
4.2
Resilience
Medium
Vulnerability
52.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 17; Dorsal soft rays (total): 18; Anal spines: 3; Anal soft rays: 16; Vertebrae: 32. This species is distinguished from its only congener by the following characters: D XV-XVI, I, 17-18; A III, 15-16; the longest second dorsal-fin ray 2.3-2.9 in HL; pectoral fin long, 1.5-1.8 in HL; pelvic fin short, 1.4-3.2 in HL; the origin of the anal fin is behind that of second dorsal fin; scales on upper lateral-line 185-208, on vertical part of lower lateral line 66-81, on horizontal part of lower lateral line 172-199 .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Pacific Domine 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; benthopelagic; depth range 283 - 300 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
4.2±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
75cm
Dorsal Spines
17
Dorsal Rays
18
Anal Spines
3
Anal Rays
16
Vertebrae
32

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
52.00/100
Moderate-High vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Ho, Motomura, Hata & Jiang, 2022

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