Threaded cucumberfish
📖 Overview
Threaded cucumberfish (Paraulopus filamentosus) is a ray-finned fish of the family Paraulopidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 12.5 cm. It occurs at depths between 322 and 375 metres. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 0; Dorsal soft rays (total): 11; Anal spines: 0; Anal soft rays: 8 - 10; Vertebrae: 42 - 44. Second and third dorsal fin rays very elongated, prolonged filamentously, extending when depressed well beyond adipose fin in males, not quite reaching adipose fin in females . Sexually dimorphic in dorsal and caudal fin coloration: dorsal fin with a black upper margin broader in males than in females; caudal fin white with a black posterior margin on each lobe in males, black margin absent in females .: elongated.
🌀 Behaviour
Behavioural data for Threaded cucumberfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; bathydemersal; depth range 322 - 375 m . Deep-water Northwest Pacific: Kyushu-Palau Ridge and the Emperor Seamounts.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Threaded cucumberfish |
| 🌍CES | paraulopus vláknoploutvý |
| 🇯🇵Japanese | Itohikiaomeeso · イトヒキアオメエソ |
| 🇷🇺Russian | Нитчатый огуречник |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Chlorophthalmus filamentosus | Okamura | 1982 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
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