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🌊 Marine Least Concern 🌡️ Deep-water

Slender fangjaw

Sigmops gracilis Günther, 1878
Max Length
13.3 cm
Max Weight
Lifespan
Trophic Level
3.3
Depth
0–4389 m
Climate
Deep-water
Resilience
Medium
Vulnerability
30.00/100
Typical Length
Depth Zone
deep-water

📖 Overview

Mesopelagic, nonmigratory at 200-1000 m . Migrates towards surface at night . Larvae and juveniles in upper 200 m . Minimum depth from Ref. 43939.

Scientific Name
Sigmops gracilis
Authority
Günther, 1878
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
13.3 cm
Depth Range
0–4389 m
Trophic Level
3.3
Resilience
Medium
Vulnerability
30.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 10 - 14; Anal spines: 0; Anal soft rays: 26 - 30; Vertebrae: 40 - 42. A row of 6 widely separated photophores near dorsal profile of body; OA irregularly arranged; dorsal origin above 4th to 5th anal ray .: eel-like.

🌀 Behaviour

Behavioural data for Slender fangjaw is currently being reviewed.

🦐 Diet

Diet information for Slender fangjaw is currently being compiled.

🥚 Reproduction

Also Ref. 103751.

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 0 - 4389 m , usually ? - 800 m . Deep-water; 64°N - 20°N, 109°E - 122°W west of 143°W and north of 15°N.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.00141 × L3.07 (TL)
Max TL
13.3cm
Dorsal Rays
12
Anal Rays
28
Vertebrae
41

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Deep-water
Described By
Günther, 1878

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Slender fangjaw
🇫🇷French gonostome élancé
🇯🇵Japanese Yokoeso · ヨコエソ
🇷🇺Russian Плоская гоностома

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 45 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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