New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Deep-water

Long snout flounder

Engyprosopon rostratum Amaoka, Mihara & Rivaton, 1993
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
41–300 m
Climate
Deep-water
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Long snout flounder (Engyprosopon rostratum), first described by Amaoka, Mihara & Rivaton, 1993 is a small fish in the family Bothidae (order Pleuronectiformes). Adults typically reach 7.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 41 to 300 metres. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Engyprosopon rostratum
Authority
Amaoka, Mihara & Rivaton, 1993
Habitat
Marine
Climate
Deep-water
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
7 cm
Depth Range
41–300 m
Trophic Level
3.4
Resilience
High
Vulnerability
27.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Anal soft rays: 67 - 76. Caudal fin long (1.15 to 1.33 times in head length) (Ref 42535).: short and / or deep.

🌀 Behaviour

Behavioural data for Long snout flounder 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 41 - 300 m , usually 200 - ? m . Deep-water Central Pacific: Chesterfield Plateau, Bellona Plateau, and southern New Caledonia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00912 × L3.04 (TL)
Max TL
7cm
Anal Rays
72

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Short and / or deep
Climate Zone
Deep-water
Described By
Amaoka, Mihara & Rivaton, 1993

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Long snout flounder

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Long snout flounder ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.