New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Deep-water

Sladen's hatchet fish

Argyropelecus sladeni Regan, 1908
Max Length
8.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
0–2926 m
Climate
Deep-water
Resilience
Medium
Vulnerability
21.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Mesopelagic . Found in 50-600 m during the day and 100-375 m at night . Feed on copepods . Oviparous, with planktonic eggs and larvae .

Scientific Name
Argyropelecus sladeni
Authority
Regan, 1908
Habitat
Marine
Climate
Deep-water
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
8.3 cm
Depth Range
0–2926 m
Trophic Level
3.1
Resilience
Medium
Vulnerability
21.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 11 - 12; Vertebrae: 35 - 38. Branchiostegal rays: 10 .: short and / or deep.

🌀 Behaviour

Behavioural data for Sladen's hatchet fish is currently being reviewed.

🦐 Diet

Diet information for Sladen's hatchet fish is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous .

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 0 - 2926 m . Deep-water; 46°N - Southeast Pacific: Chile (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.1±0.16
Food Items

copepods (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.02344 × L2.93 (TL)
Max TL
8.3cm
Dorsal Rays
9
Anal Rays
12
Vertebrae
37

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Short and / or deep
Climate Zone
Deep-water
Described By
Regan, 1908

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Hatchet fish · Lowcrest hatchetfish · Sladen's hatchet fish · Sladen's hatchetfish · Sladen's hatchtefish · lowcrest hachetfish · silvery hatchetfish
🌍CES stříbrnáč Sladenův
🇫🇮Finnish loivalättäkala
🇫🇷French hache d'argent mince
🇯🇵Japanese Teonoeso · テオノエソ
🇷🇺Russian Топорик Сладена
🇪🇸Spanish Pez hacha · hacha plateada
🇨🇳Chinese 斧魚 · 斯氏銀斧魚 · 海洋斧魚 · 銀斧 · 高銀斧魚

Scientific Synonyms

Scientific Name Author Year Status
Argyripnus sladeni Regan 1908 Synonym
Argyropelecus hawaiensis Schultz 1961 Synonym
Argyropelecus lynchus hawaiensis Schultz 1961 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 172 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Sladen's hatchet fish ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.