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🌊 Marine Least Concern 🌡️ Deep-water

Alaska dreamer

Oneirodes thompsoni Schultz, 1934
Max Length
21 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
100–2014 m
Climate
Deep-water
Resilience
Medium
Vulnerability
35.00/100
Typical Length
15.3 cm
Depth Zone
deep-water

📖 Overview

Alaska dreamer (Oneirodes thompsoni) is a ray-finned fish of the family Oneirodidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 21 cm. It occurs at depths between 100 and 2014 metres. With a trophic level of 4.2, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Oneirodes thompsoni
Authority
Schultz, 1934
Habitat
Marine
Climate
Deep-water
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
21 cm
Depth Range
100–2014 m
Trophic Level
4.2
Resilience
Medium
Vulnerability
35.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 6 - 7; Anal spines: 0; Anal soft rays: 4; Vertebrae: 18. Illicium rather short; escal bulb bearing a somewhat flattened anterior appendage with 4 black flattened flaps, and bearing a rather long posterior appendage . Further characterized by subopercle with posterodorsal margin indented to deeply notched; length of ventral fork of opercle 30.5-37.3% SL; ratio of lengths of the dorsal and ventral forks of opercle 0.42-0.54; absence of epibranchial teeth; presence of teeth on pharyngobranchial II; upper jaw teeth 19-42, lower jaw teeth 18-36; teeth on vomer 4-9; dorsal fin rays 5-6; anal fin rays 4; pectoral fin rays 14-17; head length 37.7-48.6% SL; head depth 39.1-54.1% SL; premaxilla length 28.4-34.1% SL; length of lower jaw 41.3-54.1% SL; length of illicium 23.9-39.0% SL .: short and / or deep.

🌀 Behaviour

Behavioural data for Alaska dreamer 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 100 - 2014 m , usually 600 - 800 m . Deep-water North Pacific: Japan and the Sea of Okhotsk to the Gulf of Alaska (Eschmeyer, pers.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
21cm
Dorsal Rays
7
Anal Rays
4
Vertebrae
18

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Short and / or deep
Climate Zone
Deep-water
Described By
Schultz, 1934

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Alaska dreamer · spiny dreamer
🌍CES břichatka Thompsonova
🇫🇷French queue-de-rêve épineuse
🇯🇵Japanese Togerakudaanko · トゲラクダアンコウ
🇷🇺Russian Онейрод Томпсона

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

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