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🌊 Marine Least Concern 🌡️ Deep-water

Pennant pearlside

Maurolicus australis Hector, 1875
Max Length
5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Deep-water
Resilience
Medium
Vulnerability
15.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Pennant pearlside (Maurolicus australis), first described by Hector, 1875 is a small fish in the family Sternoptychidae (order Stomiiformes). Adults typically reach 5.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Deep-water waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Maurolicus australis
Authority
Hector, 1875
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
5 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
15.00/100
Salinity
30–40 ppt

🐟 Physical Description

Vertebrae: 33 - 34. AC photophores 22-25, usually 23-24. Head 29-31% SL, eye 10-11.5% SL, upper jaw 16-18% SL, maximum body depth at pectoral fin base 22-25% SL. Stomach and hind portion of intestine intensively pigmented .

🌀 Behaviour

Behavioural data for Pennant pearlside 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; bathypelagic. Deep-water Southwest Pacific: off New Zealand and southern Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.2±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.17 (TL)
Max TL
5cm
Vertebrae
34

🌡️ 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
15.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Deep-water
Described By
Hector, 1875

👥 Community & Contribute

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