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🌊 Marine Least Concern 🌡️ Deep-water

Swordsnout grenadier

Coelorinchus occa Goode & Bean, 1885
Max Length
50 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
400–2220 m
Climate
Deep-water
Resilience
Low
Vulnerability
62.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Size may exceed 50 cm TL. Feeds primarily on small fish (myctophids), polychaete worms and crustaceans (pagurids, crabs, shrimps, ostracods, and copepods .

Scientific Name
Coelorinchus occa
Authority
Goode & Bean, 1885
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
50 cm
Depth Range
400–2220 m
Trophic Level
3.6
Resilience
Low
Vulnerability
62.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 2; Anal spines: 0. Snout long and sharply pointed, its anterolateral margin almost completely supported by bone; head ridges strong and coarsely spined; the dorsal surfaces of the head completely scaled except for the nasal fossa, scales atop head with spinules set in divergent rows; the underside of the head naked except for small isolated scales above the angle of the mouth and below the end of the opercle ridge in some specimens; swarthy to brownish, ventrally darker on the belly, with no prominent markings; the mouth and gill cavities blackish; the first dorsal fin uniformly dusky .: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Swordsnout 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; bathydemersal; non-migratory; depth range 400 - 2220 m . Deep-water; 34°N - 7°N, 98°W - 52°W Central Atlantic: Florida Straits to northeastern South America.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Migration
Non-migratory
Trophic Level
3.6±0.48
Food Items

small fish (myctophids), polychaete worms and crustaceans (pagurids, crabs, shrimps, ostracods, and

📐 Morphometrics

Length–Weight Relationship: W = 0.00257 × L3.19 (TL)
Max TL
50cm
Dorsal Spines
2

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
62.00/100
High vulnerability
Trophic Level
3.6
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Goode & Bean, 1885

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