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🌊 Marine 🌡️ Deep-water

Filamented rattail

Coryphaenoides filifer Gilbert, 1896
Max Length
55 cm
Max Weight
-
Lifespan
-
Trophic Level
4.5
Depth
1285–2904 m
Climate
Deep-water
Resilience
Very low
Vulnerability
64.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Filamented rattail (Coryphaenoides filifer), first described by Gilbert, 1896 is a large fish in the family Macrouridae (order Gadiformes). Adults typically reach 55.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 1285 to 2904 metres. It occurs in Deep-water waters. Diet is predominantly piscivorous, targeting other fish and larger prey.

Scientific Name
Coryphaenoides filifer
Authority
Gilbert, 1896
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
Max Length
55 cm
Depth Range
1285–2904 m
Trophic Level
4.5
Resilience
Very low
Vulnerability
64.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 2; Anal spines: 0. 2nd spine of 1st dorsal fin very long and slender, terminating in a long filament, smooth near base but outer half strongly toothed; 1st dorsal with 12 to 14 soft rays, ray count of 2nd dorsal unknown; caudal fin very narrow; anal rays numerous, long and low; pectorals long and slender; outside rays of pelvic fins very long and filamentous . Dark brown in color; black on fins, nostrils, ventral surfaces of snout, lips and gill membranes . Branchiostegal rays: 6 .: elongated.

🌀 Behaviour

Behavioural data for Filamented rattail is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous

Oviparous .

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 1285 - 2904 m . Deep-water; 66°N - 32°N North Pacific: Sea of Okhotsk to Alaska and southern California, USA.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.5±0.37

📐 Morphometrics

Length–Weight Relationship: W = 0.00219 × L3.2 (TL)
Max TL
55cm
Dorsal Spines
2

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
64.00/100
High vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Gilbert, 1896

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Filamented rattail · threadfin grenadier
🇫🇷French grenadier filamenté
🇯🇵Japanese Kitanosokodara · キタノソコダラ
🇷🇺Russian Нитчатый макрурус

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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View all observations for Filamented rattail ↗
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