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🌊 Marine 🌡️ Subtropical

Spearnose grenadier

Coelorinchus multispinulosus Katayama, 1942
Max Length
38 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
150–300 m
Climate
Subtropical
Resilience
Low
Vulnerability
51.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Spearnose grenadier (Coelorinchus multispinulosus) is a ray-finned fish of the family Macrouridae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 38 cm. It occurs at depths between 150 and 300 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Coelorinchus multispinulosus
Authority
Katayama, 1942
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
Max Length
38 cm
Depth Range
150–300 m
Trophic Level
3.5
Resilience
Low
Vulnerability
51.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 2; Anal spines: 0. The head moderately large; the eyes also large; the snout pointed; head ridges not excessively spiny or coarsely developed. Grayish brown overall with vermiculations or mottling on the nape, back and upper sides; the mouth whitish; the gill cavity blackish; the fins dusky.: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Spearnose grenadier 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; non-migratory; depth range 150 - 300 m . Subtropical; 38°N - 30°N, 127°E - 137°E East China Sea.

🌿 Ecology

Zone Preferences
🌊 Marine
Migration
Non-migratory
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.002 × L3.12 (TL)
Max TL
38cm
Dorsal Spines
2

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
51.00/100
Moderate-High vulnerability
Trophic Level
3.5
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Katayama, 1942

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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