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🌊 Marine Least Concern 🌡️ Deep-water

Grey's deepsea smelt

Bathylagichthys greyae Cohen, 1958
Max Length
16 cm
Max Weight
Lifespan
Trophic Level
3.4
Depth
25–1000 m
Climate
Deep-water
Resilience
Medium
Vulnerability
39.00/100
Typical Length
Depth Zone
deep-water

📖 Overview

Usually caught in small aggregations, at 600-900 m in the daytime and 25-500 m at night . Feeds on plankton .

Scientific Name
Bathylagichthys greyae
Authority
Cohen, 1958
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
LC
Max Length
16 cm
Depth Range
25–1000 m
Latitude
48°S – 32°N
Trophic Level
3.4
Resilience
Medium
Vulnerability
39.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 13 - 14; Anal soft rays: 11 - 12; Vertebrae: 44. Pale, straw-colored ground color. Opercle and snout dusky. Dark pigment distributed on margins of scale pockets . Slender body, smoothly narrowed toward the end of caudal peduncle. Maximum depth at the level of the pectoral fin base for 39-69 mm specimens and immediately before the dorsal fin origin for larger ones. Pectoral fins short, not reaching origin of dorsal fin. Operculum without radial grooves. No gill rakers at the inner surface of epibranchial of first gill arch. Swim bladder absent .: elongated.

🌀 Behaviour

Behavioural data for Grey's deepsea smelt is currently being reviewed.

🦐 Diet

Diet information for Grey's deepsea smelt is currently being compiled.

🥚 Reproduction

Reproduction data for Grey's deepsea smelt is currently being compiled.

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 25 - 1000 m . Deep-water; 32°N - 48°S Northwest Atlantic: Canada (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.4±0.45
Food Items

plankton (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.01 (TL)
Max TL
16cm
Dorsal Rays
14
Anal Rays
12
Vertebrae
44

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Deep-water
Latitude Range
32°N – 48°S
Described By
Cohen, 1958

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Bathylagus greyae Cohen 1958 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 106 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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