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🌊 Marine 🌡️ Deep-water

Hymenocephalus Longipes

Hymenocephalus longipes Smith & Radcliffe, 1912
Max Length
15.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
274–2081 m
Climate
Deep-water
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Hymenocephalus Longipes (Hymenocephalus longipes), first described by Smith & Radcliffe, 1912 is a medium-sized fish in the family Macrouridae (order Gadiformes). Adults typically reach 15.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 274 to 2081 metres. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Hymenocephalus longipes
Authority
Smith & Radcliffe, 1912
Habitat
Marine
Climate
Deep-water
Max Length
15.5 cm
Depth Range
274–2081 m
Trophic Level
3.3
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Distinguished by the following characters: pelvic fin rays 8; pectoral fin rays 13-15; black-colored tips of pelvic fins; barely projecting snout; head bones are rather firm; no barbel; orbit diameter 28-33% HL; interorbital width 40-50% HW (head width); gill rakers 19-21; ventral striae reaching close to periproct; otholith length to height (OL:OH) is 1.1-1.25; total colliculum length to pseudocolliculum length (TCL:PCL) is 1.7-2.1 . Cross section: angular.

🌀 Behaviour

Behavioural data for Hymenocephalus Longipes is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 274 - 2081 m . Deep-water Central Pacific: Philippines.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00219 × L3.2 (TL)
Max TL
15.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Deep-water
Described By
Smith & Radcliffe, 1912

🌐 Names & Taxonomy

Language Common Names
🇷🇺Russian Длиннопёрый хименоцефалюс

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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