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🌊 Marine 🌡️ Tropical

Porogadus Promelas

Porogadus promelas Gilbert, 1892
Max Length
28 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
1500–4000 m
Climate
Tropical
Resilience
High
Vulnerability
32.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Porogadus Promelas (Porogadus promelas), first described by Gilbert, 1892 is a medium-sized fish in the family Ophidiidae (order Ophidiiformes). Adults typically reach 28.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1500 to 4000 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Porogadus promelas
Authority
Gilbert, 1892
Habitat
Marine
Climate
Tropical
Max Length
28 cm
Depth Range
1500–4000 m
Latitude
23°S – 51°N
Trophic Level
3.6
Resilience
High
Vulnerability
32.00/100
Salinity
30–40 ppt

🐟 Physical Description

This species is distinguished by the following characters: precaudal vertebrae 16-17; first gill arch with long gill rakers 15-18; pectoral-fin rays 17-18; HL:HD 1.50-1.72; few and mostly weak head spines on ethmoidal, interorbital, supraorbital, sphenotic, outer posttemporal while absent on lacrimal, prefrontal, 5th infraorbital, supratemporal, inner posttemporal, inner and outer preopercular rim; opercular spine is weak and flat; opercular flap small; lower lateral line pores until beginning of anal fin 16-18; narrow dentition patch on vomer with 2-4 rows of teeth while moderately broad dentition patch on palatines with 4-9 rows of teeth; otolith with single colliculum; OL:OH = 1.25-1.5; OL:TCL = 2.0-2.1 .Cross section: compressed.

🌀 Behaviour

Behavioural data for Porogadus Promelas 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 1500 - 4000 m . Tropical; 51°N - 23°S, 134°W - 73°W

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.6±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.0038 × L3.14 (TL)
Max TL
28cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Latitude Range
51°N – 23°S
Described By
Gilbert, 1892

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