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🌊 Marine Least Concern 🌡️ Deep-water

Tropical hatchetfish

Argyropelecus lychnus Garman, 1899
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
150–700 m
Climate
Deep-water
Resilience
High
Vulnerability
17.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Copepods have been found in the food items consumed by this species . Oviparous, with planktonic eggs and larvae . Minimum depth is from Ref. 82347.

Scientific Name
Argyropelecus lychnus
Authority
Garman, 1899
Habitat
Marine
Climate
Deep-water
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
7 cm
Depth Range
150–700 m
Trophic Level
3
Resilience
High
Vulnerability
17.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 12; Vertebrae: 35 - 37. Branchiostegal rays: 10 . Lower preopercular spine downward and curved forward, upper preopercular spine curved outward. Two postabdominal spines directed ventrally .: short and / or deep.

🌀 Behaviour

Behavioural data for Tropical hatchetfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous .

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 150 - 700 m . Deep-water

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3±0.16

📐 Morphometrics

Length–Weight Relationship: W = 0.0195 × L2.98 (TL)
Max TL
7cm
Dorsal Rays
9
Anal Rays
12
Vertebrae
36

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Short and / or deep
Climate Zone
Deep-water
Described By
Garman, 1899

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Silver Hatchetfish · silvery hatchetfish · Tropical hatchetfish
🌍CES stříbrnáč svítivý
🇫🇮Finnish tropiikinlättäkala
🇷🇺Russian Тропический топорик
🇪🇸Spanish hacha tropical

Scientific Synonyms

Scientific Name Author Year Status
Argyripnus lychnus Garman 1899 Synonym
Argyropelecus lychnus lychnus Garman 1899 Synonym
Argyropelecus lynchus Garman 1899 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 61 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Tropical hatchetfish ↗
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