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🌊 Marine 🌡️ Deep-water

Palau grenadier

Ventrifossa macroptera Okamura, 1982
Max Length
40 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
454–710 m
Climate
Deep-water
Resilience
Low
Vulnerability
55.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Females with ripe eggs were taken in mid-December. Captured in fair numbers during exploratory fishing on the Kyushu-Palau Ridge, but not known from any other area.

Scientific Name
Ventrifossa macroptera
Authority
Okamura, 1982
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
40 cm
Depth Range
454–710 m
Trophic Level
3.8
Resilience
Low
Vulnerability
55.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 2; Anal spines: 0. Scales with slender, sharp spinules in arranged in widely divergent V rows or irregularly quincunx order. Snout with a black margin along its leading edge and posteriorly over half of supranarial ridges.: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Palau grenadier 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; non-migratory; depth range 454 - 710 m . Deep-water; 30°N - 22°N, 125°E - 135°E Pacific Ocean: Kyushu-Palau Ridge, southern Japan, southwestern Taiwan, and the Hawaiian Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Migration
Non-migratory
Trophic Level
3.8±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00219 × L3.2 (TL)
Max TL
40cm
Dorsal Spines
2

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
55.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Okamura, 1982

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Palau grenadier
🌍CES hlavatice velkoploutvá
🇯🇵Japanese Paraosokodara · パラオソコダラ
🇨🇳Chinese 大鰭凹腹鱈 · 鱈魚

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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