Oneirodes Thysanema

📖 Overview

Oneirodes Thysanema (Oneirodes thysanema) 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 2.7 cm. It occurs at depths between 650 and 1500 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 6; Anal soft rays: 4. Escal morphology: anterior appendage with a series of filaments along posterior margin; medial appendages in three groups; terminal papilla elongate; posterior appendage compressed and branched. Characterized further by having short and broad subopercle, upper end rounded without indentation on posterior margin; length of ventral fork of opercle; 27.7-30.2% SL; ratio of lengths of the dorsal and ventral forks of opercle 0.48-0.50; absence of epibranchial teeth; presence of teeth on pharyngobranchial II; upper jaw teeth 32, lower jaw teeth 30; teeth on vomer 4-6; dorsal fin rays 6; anal fin rays 4; pectoral fin rays 17; head length 45.3% SL; head depth 43.4% SL; premaxilla length 30.2% SL; length of lower jaw 47.2% SL; length of illicium 26.4% SL .: short and / or deep.

🌀 Behaviour

Behavioural data for Oneirodes Thysanema is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 650 - 1500 m . Deep-water West Pacific.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🌐 Names & Taxonomy

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

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

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