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

🌊 Marine Data Deficient 🌡️ Deep-water

Oneirodes Basili

Oneirodes basili Pietsch, 1974
Max Length
15.9 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
700–1400 m
Climate
Deep-water
Resilience
Medium
Vulnerability
36.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Oneirodes Basili (Oneirodes basili), first described by Pietsch, 1974 is a medium-sized fish in the family Oneirodidae (order Lophiiformes). Adults typically reach 15.90 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 700 to 1400 metres. It occurs in Deep-water waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Oneirodes basili
Authority
Pietsch, 1974
Habitat
Marine
Climate
Deep-water
IUCN Status
DD
Max Length
15.9 cm
Depth Range
700–1400 m
Trophic Level
4.2
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 5 - 6; Anal soft rays: 4. Characterized by having escal morphology: esca with filamentous, branched anterior appendage two times length of escal bulb, without internal pigment; presence of spots of dark pigment on most branches of anterior appendage; absence of medial escal appendage; rounded or conical terminal escal papilla with two bilaterally placed distal spots of pigment; posterior escal appendage, as long as escal bulb, with an anteroposteriorly compressed distal end, posterior surface of which is slightly concave and darkly pigmented; absence of lateral escal appendage; two pairs of filamentous anterolateral escal appendages; inner pair of branched tapering appendages flanking anterior appendage, each less than one-half length of escal bulb; long and narrow subopercle, dorsal end tapering to a point, without indentation on posterodorsal margin; length of ventral fork of opercle 25.3-28.6% SL; ratio of lengths of the dorsal and ventral forks of opercle 0.54-0.62; absence of epibranchial teeth; presence of teeth on pharyngobranchial II; upper jaw teeth 49-69, lower jaw teeth 46-60; teeth on vomer 4-8; dorsal fin rays 5-6; anal fin rays 4; pectoral fin rays 15-16; head length 38.9-43.4% SL; head depth 37.7-41.7% SL; premaxilla length 32.2-33.3% SL; length of lower jaw 42.1-44.3% SL; length of illicium 45.9-51.6% SL .

🌀 Behaviour

Behavioural data for Oneirodes Basili 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; bathypelagic; depth range 700 - 1400 m . Deep-water Central Pacific: Mexico.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.2±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
15.9cm
Dorsal Rays
6
Anal Rays
4

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Deep-water
Described By
Pietsch, 1974

🌐 Names & Taxonomy

Language Common Names
🌍CES břichatka mexická
🇷🇺Russian Ковшовый онейрод

🗺️ 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 Oneirodes Basili ↗
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.