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🌊 Marine 🌡️ Temperate

Southern deepsea smelt

Bathylagichthys australis Kobyliansky, 1990
Max Length
20.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
50–1000 m
Climate
Temperate
Resilience
Medium
Vulnerability
43.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Southern deepsea smelt (Bathylagichthys australis) is a ray-finned fish of the family Bathylagidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 20.8 cm. It occurs at depths between 50 and 1000 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Bathylagichthys australis
Authority
Kobyliansky, 1990
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
Max Length
20.8 cm
Depth Range
50–1000 m
Trophic Level
3.4
Resilience
Medium
Vulnerability
43.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 12 - 14; Anal soft rays: 11 - 13; Vertebrae: 47 - 50. Branchiostegal rays 3. Supraorbital short, posterior well behind vertical through the middle of the orbit. Canals of subcutaneous vascular system of the trunk not forming anastomoses below the lateral line. Pyloric caeca 10-16 .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Southern deepsea smelt 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; pelagic-oceanic; depth range 50 - 1000 m . Temperate

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.01 (TL)
Max TL
20.8cm
Dorsal Rays
13
Anal Rays
12
Vertebrae
49

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
43.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Kobyliansky, 1990

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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