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🌊 Marine Least Concern 🌡️ Deep-water

Porogadus Guentheri

Porogadus guentheri Jordan & Fowler, 1902
Max Length
21 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
805–1530 m
Climate
Deep-water
Resilience
Medium
Vulnerability
26.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

A benthopelagic species at bathyal depth . Uncommon species . Oviparous, with oval pelagic eggs floating in a gelatinous mass .

Scientific Name
Porogadus guentheri
Authority
Jordan & Fowler, 1902
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
21 cm
Depth Range
805–1530 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
26.00/100
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 18-21, broad, bladed; HL:HD 1.71-1.79; most head spines are strong: on ethmoidal, prefrontal, interorbital, supraorbital, sphenotic, supratemporal, inner and outer posttemporal, inner preopercular rim, lacrimal with ridge, and weak on outer preopercular rim, absent on 5th infraorbital; opercular spine is sharp, extruding; maxilla with single row of scales along upper margin in front of supramaxilla; the large opercular flap with ridges; lower lateral line pores until beginning of anal fin 16; narrow dentition patch on vomer with few or 1-2 (rarely 3) rows of teeth; palatines with moderately broad dentition patch (3-6 rows of teeth); otolith with single colliculum but indentation at ventral margin and rarely separate colliculi; OL:OH = 1.45-1.64; OL:TCL = 1.87-2.52 .Cross section: compressed.

🌀 Behaviour

Behavioural data for Porogadus Guentheri is currently being reviewed.

🦐 Diet

Diet information for Porogadus Guentheri is currently being compiled.

🥚 Reproduction

Reproduction data for Porogadus Guentheri is currently being compiled.

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 805 - 1530 m . Deep-water Northwest Pacific: Japan and the East China Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.0011 × L3.08 (TL)
Max TL
21cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Deep-water
Described By
Jordan & Fowler, 1902

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