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🌊 Marine Least Concern 🌡️ Deep-water

Argyripnus Pharos

Argyripnus pharos Harold & Lancaster, 2003
Max Length
7.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
100–492 m
Climate
Deep-water
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Argyripnus Pharos (Argyripnus pharos) is a ray-finned fish of the family Sternoptychidae. It inhabits marine (saltwater) waters in benthic, deep-water environments. This species can reach a maximum total length of 7.9 cm. It occurs at depths between 100 and 492 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Argyripnus pharos
Authority
Harold & Lancaster, 2003
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
7.9 cm
Depth Range
100–492 m
Trophic Level
3.3
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 9 - 12; Vertebrae: 42 - 44. Distinguished by the following characters: gill rakers 15-16, usually 16 with typically 12 on the ventral limb; VAV + ACA photophores 13-18, photophore elevation 3.7-6.4% SL; 42-44 total vertebrae, usually 42 or 43; 9-12 dorsal fin rays; no uniquely derived characters known .

🌀 Behaviour

Behavioural data for Argyripnus Pharos 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; demersal; depth range 100 - 492 m . Deep-water West Pacific.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water ⬇️ Benthic
Trophic Level
3.3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.17 (TL)
Max TL
7.9cm
Dorsal Rays
11
Vertebrae
43

🌡️ 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
24.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Deep-water
Described By
Harold & Lancaster, 2003

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